Ok, this time I'm just trying to process my introduction and I think I'm getting the same error and maybe a new one:
[java] [ERROR] Unknown enumerated value for property 'relative-align': baseline
[java] at org.apache.fop.fo.flow.Inline.<init>(Inline.java:34)
[java] at org.apache.fop.fo.flow.BasicLink.<init>(BasicLink.java:35)
[java] [ERROR] Error in relative-align property value 'baseline': org.apache.fop.fo.expr.PropertyException: No conversion defined
[java] at org.apache.fop.fo.flow.BasicLink$Maker.make(BasicLink.java:25)
[java] at org.apache.fop.fo.FOTreeBuilder.startElement(FOTreeBuilder.java:255)
[java] [ERROR] Unknown enumerated value for property 'relative-align': baseline
[java] at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown Source)
[java] at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source)
My introductory docbook looks like this-- I can't see anything wrong:
<chapter id="portlet-intro">
<title>Portlet Concepts</title>
<para>
Portlets are defined as visual components that can be assimilated into portal web pages.
Thanks, Jason
Thanks, Jason
Jason Novotny wrote:
Hi,
Thanks Michael-- I think I fixed that and now I see the same problem so I have to check other files-- is there some kind of "foplint" program that can help me track these issues down? What do you use?
Thanks, Jason
Partridge, Michael wrote:
Looks like you've got some content in a flow but outside of a block. Right at the beginning of Chapter 6. Snippet:
<fo:flow flow-name="xsl-region-body">
<fo:block font-family="sans-serif">
<fo:block margin-left="-4pc">
<fo:block font-weight="bold" font-size="24.8832pt">
<fo:block hyphenate="false" space-before.maximum="12pt" space-before.minimum="8pt" space-before.optimum="10pt" keep-with-next.within-column="always">Chapter 6. Portlet Service Framework</fo:block>
</fo:block>
</fo:block>
<fo:block/>
</fo:block>
Portlet services encapsulate business or logic operations that can be re-used among portlets.
The use of portlet services helps to minimize the amount of logic placed in a portlet and present it as
a reusable library to other portlets. In addition, portlet services offer the following major advantages:
<fo:list-block space-before.optimum="1em" space-before.minimum="0.8em" space-before.maximum="1.2em" space-after.optimum="1em" space-after.minimum="0.8em" space-after.maximum="1.2em" provisional-label-separation="0.2em" id="N1055B" provisional-distance-between-starts="1.5em">
Mike
-----Original Message-----
From: Jason Novotny [mailto:[EMAIL PROTECTED] Sent: Wednesday, May 07, 2003 7:25 AM
To: [EMAIL PROTECTED]
Subject: fop processing
Hi,
I'm using NWalsh's stylesheets and docbook and FOP and during the rendering to pdf I get this error:
[java] [ERROR] inline formatting objects cannot be directly under flow
[java] at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
[java] at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
[java] at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
[java] at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
[java] at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
[java] at org.apache.fop.apps.Driver.render(Driver.java:457)
[java] at org.apache.fop.apps.CommandLineStarter.run(CommandLineStarter.java:69)
[java] at org.apache.fop.apps.Fop.main(Fop.java:19)
[java] Java Result: 2
I've attached my FOP-- are there any easy ways to see where FOP has gone bad besides trying to cut and paste away at my docbook until the problem goes away? I've also used xmllint to make sure it has all references.
Thanks, Jason
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margin-left="1in" margin-bottom="0.5in" margin-top="0.5in" page-height="11in" page-width="8.5in" master-name="index-odd"><fo:region-body column-count="2" margin-top="0.5in" margin-bottom="0.5in"/><fo:region-before display-align="before" extent="0.4in" region-name="xsl-region-before-odd"/><fo:region-after display-align="after" extent="0.4in" region-name="xsl-region-after-odd"/></fo:simple-page-master><fo:simple-page-master margin-left="1in" margin-right="1in" margin-bottom="0.5in" margin-top="0.5in" page-height="11in" page-width="8.5in" master-name="index-even"><fo:region-body column-count="2" margin-top="0.5in" margin-bottom="0.5in"/><fo:region-before display-align="before" extent="0.4in" region-name="xsl-region-before-even"/><fo:region-after display-align="after" extent="0.4in" region-name="xsl-region-after-even"/></fo:simple-page-master><fo:simple-page-master margin-right="1in" margin-left="1in" margin-bottom="0.5in" margin-top="0.5in" page-height="11in" page-width="8.5in" 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background-position-vertical="center"/><fo:region-before display-align="before" extent="0.4in" region-name="xsl-region-before-first"/><fo:region-after display-align="after" extent="0.4in" region-name="xsl-region-after-first"/></fo:simple-page-master><fo:simple-page-master margin-right="1in" margin-left="1in" margin-bottom="0.5in" margin-top="0.5in" page-height="11in" page-width="8.5in" master-name="lot-odd-draft"><fo:region-body column-count="1" margin-top="0.5in" margin-bottom="0.5in" background-image="url(http://docbook.sourceforge.net/release/images/draft.png)" background-attachment="fixed" background-repeat="no-repeat" background-position-horizontal="center" background-position-vertical="center"/><fo:region-before display-align="before" extent="0.4in" region-name="xsl-region-before-odd"/><fo:region-after display-align="after" extent="0.4in" region-name="xsl-region-after-odd"/></fo:simple-page-master><fo:simple-page-master margin-left="1in" margin-right="1in" margin-bottom="0.5in" margin-top="0.5in" page-height="11in" page-width="8.5in" master-name="lot-even-draft"><fo:region-body column-count="1" margin-top="0.5in" margin-bottom="0.5in" background-image="url(http://docbook.sourceforge.net/release/images/draft.png)" background-attachment="fixed" background-repeat="no-repeat" background-position-horizontal="center" background-position-vertical="center"/><fo:region-before display-align="before" extent="0.4in" region-name="xsl-region-before-even"/><fo:region-after display-align="after" extent="0.4in" region-name="xsl-region-after-even"/></fo:simple-page-master><fo:simple-page-master margin-right="1in" margin-left="1in" margin-bottom="0.5in" margin-top="0.5in" page-height="11in" page-width="8.5in" master-name="front-first-draft"><fo:region-body column-count="1" margin-top="0.5in" margin-bottom="0.5in" background-image="url(http://docbook.sourceforge.net/release/images/draft.png)" background-attachment="fixed" background-repeat="no-repeat" background-position-horizontal="center" background-position-vertical="center"/><fo:region-before display-align="before" extent="0.4in" region-name="xsl-region-before-first"/><fo:region-after display-align="after" extent="0.4in" region-name="xsl-region-after-first"/></fo:simple-page-master><fo:simple-page-master margin-right="1in" margin-left="1in" margin-bottom="0.5in" margin-top="0.5in" page-height="11in" page-width="8.5in" master-name="front-odd-draft"><fo:region-body column-count="1" margin-top="0.5in" margin-bottom="0.5in" background-image="url(http://docbook.sourceforge.net/release/images/draft.png)" background-attachment="fixed" background-repeat="no-repeat" background-position-horizontal="center" background-position-vertical="center"/><fo:region-before display-align="before" extent="0.4in" region-name="xsl-region-before-odd"/><fo:region-after display-align="after" extent="0.4in" region-name="xsl-region-after-odd"/></fo:simple-page-master><fo:simple-page-master margin-left="1in" 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relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell></fo:table-row></fo:table-body></fo:table></fo:block></fo:static-content><fo:flow flow-name="xsl-region-body"><fo:block><fo:block><fo:block font-family="sans-serif" font-weight="bold" font-size="24.8832pt" text-align="center" space-before="18.6624pt"><fo:block hyphenate="false" keep-with-next.within-column="always">GridSphere Portlet Reference Guide</fo:block></fo:block></fo:block><fo:block><fo:block break-after="page"/><fo:block font-size="14.4pt" font-family="sans-serif" font-weight="bold"><fo:block>GridSphere Portlet Reference Guide</fo:block></fo:block><fo:block font-size="10pt">Copyright <fo:inline font-family="serif">©</fo:inline> 2003 GridLab Project</fo:block></fo:block><fo:block break-after="page"/></fo:block></fo:flow></fo:page-sequence><fo:page-sequence master-reference="lot" format="i" hyphenate="true" language="en"><fo:static-content flow-name="xsl-region-before-first"><fo:block font-family="serif" 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margin-left="-4pc" margin-right="-4pc"><fo:table width="100%" table-layout="fixed" border-bottom-width="0.5pt" border-bottom-style="solid" border-bottom-color="black"><fo:table-column column-width="proportional-column-width(1)" column-number="1"/><fo:table-column column-width="proportional-column-width(1)" column-number="2"/><fo:table-column column-width="proportional-column-width(1)" column-number="3"/><fo:table-body><fo:table-row height="14pt"><fo:table-cell display-align="before" text-align="left" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="before" text-align="center" relative-align="baseline"><fo:block><fo:block>GridSphere Portlet Reference Guide</fo:block></fo:block></fo:table-cell><fo:table-cell display-align="before" text-align="right" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell></fo:table-row></fo:table-body></fo:table></fo:block></fo:static-content><fo:static-content flow-name="xsl-region-before-even"><fo:block font-family="serif" margin-left="-4pc" margin-right="-4pc"><fo:table width="100%" table-layout="fixed" border-bottom-width="0.5pt" border-bottom-style="solid" border-bottom-color="black"><fo:table-column column-width="proportional-column-width(1)" column-number="1"/><fo:table-column column-width="proportional-column-width(1)" column-number="2"/><fo:table-column column-width="proportional-column-width(1)" column-number="3"/><fo:table-body><fo:table-row height="14pt"><fo:table-cell display-align="before" text-align="left" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="before" text-align="center" relative-align="baseline"><fo:block><fo:block>GridSphere Portlet Reference Guide</fo:block></fo:block></fo:table-cell><fo:table-cell display-align="before" text-align="right" 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text-align="left" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="after" text-align="center" relative-align="baseline"><fo:block><fo:block><fo:page-number/></fo:block></fo:block></fo:table-cell><fo:table-cell display-align="after" text-align="right" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell></fo:table-row></fo:table-body></fo:table></fo:block></fo:static-content><fo:static-content flow-name="xsl-region-after-even"><fo:block font-family="serif" margin-left="-4pc" margin-right="-4pc"><fo:table width="100%" table-layout="fixed" border-top-width="0.5pt" border-top-style="solid" border-top-color="black"><fo:table-column column-width="proportional-column-width(1)" column-number="1"/><fo:table-column column-width="proportional-column-width(1)" column-number="2"/><fo:table-column column-width="proportional-column-width(1)" column-number="3"/><fo:table-body><fo:table-row height="14pt"><fo:table-cell display-align="after" text-align="left" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="after" text-align="center" relative-align="baseline"><fo:block><fo:block><fo:page-number/></fo:block></fo:block></fo:table-cell><fo:table-cell display-align="after" text-align="right" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell></fo:table-row></fo:table-body></fo:table></fo:block></fo:static-content><fo:static-content flow-name="xsl-region-after-blank"><fo:block font-family="serif" margin-left="-4pc" margin-right="-4pc"><fo:table width="100%" table-layout="fixed" border-top-width="0.5pt" border-top-style="solid" border-top-color="black"><fo:table-column column-width="proportional-column-width(1)" column-number="1"/><fo:table-column column-width="proportional-column-width(1)" column-number="2"/><fo:table-column column-width="proportional-column-width(1)" column-number="3"/><fo:table-body><fo:table-row height="14pt"><fo:table-cell display-align="after" text-align="left" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="after" text-align="center" relative-align="baseline"><fo:block><fo:block><fo:page-number/></fo:block></fo:block></fo:table-cell><fo:table-cell display-align="after" text-align="right" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell></fo:table-row></fo:table-body></fo:table></fo:block></fo:static-content><fo:flow flow-name="xsl-region-body"><fo:block space-before.minimum="0.5em" space-before.optimum="1em" space-before.maximum="2em" space-after.minimum="0.5em" space-after.optimum="1em" space-after.maximum="2em" id="toc...N10003"><fo:block><fo:block><fo:block font-family="sans-serif" font-weight="bold" font-size="17.28pt" margin-left="-4pc" space-after="0.5em" space-before.maximum="2em" space-before.optimum="1.5em" space-before.minimum="1em">Table of Contents</fo:block></fo:block><fo:block/></fo:block><fo:block last-line-end-indent="-24pt" end-indent="24pt" text-align-last="justify"><fo:inline keep-with-next.within-line="always"><fo:basic-link internal-destination="portlet-intro">1. Portlet Concepts</fo:basic-link></fo:inline><fo:inline keep-together.within-line="always"> <fo:leader keep-with-next.within-line="always" leader-alignment="reference-area" leader-pattern-width="3pt" leader-pattern="dots"/> <fo:basic-link internal-destination="portlet-intro"><fo:page-number-citation ref-id="portlet-intro"/></fo:basic-link></fo:inline></fo:block></fo:block></fo:flow></fo:page-sequence><fo:page-sequence master-reference="lot" format="i" hyphenate="true" language="en"><fo:static-content flow-name="xsl-region-before-first"><fo:block font-family="serif" margin-left="-4pc" margin-right="-4pc"><fo:table width="100%" table-layout="fixed" border-bottom-width="0.5pt" border-bottom-style="solid" border-bottom-color="black"><fo:table-column column-width="proportional-column-width(1)" column-number="1"/><fo:table-column column-width="proportional-column-width(1)" column-number="2"/><fo:table-column column-width="proportional-column-width(1)" column-number="3"/><fo:table-body><fo:table-row height="14pt"><fo:table-cell display-align="before" text-align="left" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="before" text-align="center" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="before" text-align="right" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell></fo:table-row></fo:table-body></fo:table></fo:block></fo:static-content><fo:static-content flow-name="xsl-region-before-odd"><fo:block font-family="serif" margin-left="-4pc" margin-right="-4pc"><fo:table width="100%" table-layout="fixed" border-bottom-width="0.5pt" border-bottom-style="solid" border-bottom-color="black"><fo:table-column column-width="proportional-column-width(1)" column-number="1"/><fo:table-column column-width="proportional-column-width(1)" column-number="2"/><fo:table-column column-width="proportional-column-width(1)" column-number="3"/><fo:table-body><fo:table-row height="14pt"><fo:table-cell display-align="before" text-align="left" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="before" text-align="center" relative-align="baseline"><fo:block><fo:block>GridSphere Portlet Reference Guide</fo:block></fo:block></fo:table-cell><fo:table-cell display-align="before" text-align="right" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell></fo:table-row></fo:table-body></fo:table></fo:block></fo:static-content><fo:static-content flow-name="xsl-region-before-even"><fo:block font-family="serif" margin-left="-4pc" margin-right="-4pc"><fo:table width="100%" table-layout="fixed" border-bottom-width="0.5pt" border-bottom-style="solid" border-bottom-color="black"><fo:table-column column-width="proportional-column-width(1)" column-number="1"/><fo:table-column column-width="proportional-column-width(1)" column-number="2"/><fo:table-column column-width="proportional-column-width(1)" column-number="3"/><fo:table-body><fo:table-row height="14pt"><fo:table-cell display-align="before" text-align="left" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="before" text-align="center" relative-align="baseline"><fo:block><fo:block>GridSphere Portlet Reference Guide</fo:block></fo:block></fo:table-cell><fo:table-cell display-align="before" text-align="right" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell></fo:table-row></fo:table-body></fo:table></fo:block></fo:static-content><fo:static-content flow-name="xsl-region-before-blank"><fo:block font-family="serif" margin-left="-4pc" margin-right="-4pc"><fo:table width="100%" table-layout="fixed" border-bottom-width="0.5pt" border-bottom-style="solid" border-bottom-color="black"><fo:table-column column-width="proportional-column-width(1)" column-number="1"/><fo:table-column column-width="proportional-column-width(1)" column-number="2"/><fo:table-column column-width="proportional-column-width(1)" column-number="3"/><fo:table-body><fo:table-row height="14pt"><fo:table-cell display-align="before" text-align="left" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="before" text-align="center" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="before" text-align="right" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell></fo:table-row></fo:table-body></fo:table></fo:block></fo:static-content><fo:static-content flow-name="xsl-footnote-separator"><fo:block><fo:leader leader-length="1in" leader-pattern="rule" color="black"/></fo:block></fo:static-content><fo:static-content flow-name="blank-body"><fo:block text-align="center"/></fo:static-content><fo:static-content flow-name="xsl-region-after-first"><fo:block font-family="serif" margin-left="-4pc" margin-right="-4pc"><fo:table width="100%" table-layout="fixed" border-top-width="0.5pt" border-top-style="solid" border-top-color="black"><fo:table-column column-width="proportional-column-width(1)" column-number="1"/><fo:table-column column-width="proportional-column-width(1)" column-number="2"/><fo:table-column column-width="proportional-column-width(1)" column-number="3"/><fo:table-body><fo:table-row height="14pt"><fo:table-cell display-align="after" text-align="left" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="after" text-align="center" relative-align="baseline"><fo:block><fo:block><fo:page-number/></fo:block></fo:block></fo:table-cell><fo:table-cell display-align="after" text-align="right" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell></fo:table-row></fo:table-body></fo:table></fo:block></fo:static-content><fo:static-content flow-name="xsl-region-after-odd"><fo:block font-family="serif" margin-left="-4pc" margin-right="-4pc"><fo:table width="100%" table-layout="fixed" border-top-width="0.5pt" border-top-style="solid" border-top-color="black"><fo:table-column column-width="proportional-column-width(1)" column-number="1"/><fo:table-column column-width="proportional-column-width(1)" column-number="2"/><fo:table-column column-width="proportional-column-width(1)" column-number="3"/><fo:table-body><fo:table-row height="14pt"><fo:table-cell display-align="after" text-align="left" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="after" text-align="center" relative-align="baseline"><fo:block><fo:block><fo:page-number/></fo:block></fo:block></fo:table-cell><fo:table-cell display-align="after" text-align="right" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell></fo:table-row></fo:table-body></fo:table></fo:block></fo:static-content><fo:static-content flow-name="xsl-region-after-even"><fo:block font-family="serif" margin-left="-4pc" margin-right="-4pc"><fo:table width="100%" table-layout="fixed" border-top-width="0.5pt" border-top-style="solid" border-top-color="black"><fo:table-column column-width="proportional-column-width(1)" column-number="1"/><fo:table-column column-width="proportional-column-width(1)" column-number="2"/><fo:table-column column-width="proportional-column-width(1)" column-number="3"/><fo:table-body><fo:table-row height="14pt"><fo:table-cell display-align="after" text-align="left" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="after" text-align="center" relative-align="baseline"><fo:block><fo:block><fo:page-number/></fo:block></fo:block></fo:table-cell><fo:table-cell display-align="after" text-align="right" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell></fo:table-row></fo:table-body></fo:table></fo:block></fo:static-content><fo:static-content flow-name="xsl-region-after-blank"><fo:block font-family="serif" margin-left="-4pc" margin-right="-4pc"><fo:table width="100%" table-layout="fixed" border-top-width="0.5pt" border-top-style="solid" border-top-color="black"><fo:table-column column-width="proportional-column-width(1)" column-number="1"/><fo:table-column column-width="proportional-column-width(1)" column-number="2"/><fo:table-column column-width="proportional-column-width(1)" column-number="3"/><fo:table-body><fo:table-row height="14pt"><fo:table-cell display-align="after" text-align="left" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="after" text-align="center" relative-align="baseline"><fo:block><fo:block><fo:page-number/></fo:block></fo:block></fo:table-cell><fo:table-cell display-align="after" text-align="right" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell></fo:table-row></fo:table-body></fo:table></fo:block></fo:static-content><fo:flow flow-name="xsl-region-body"><fo:block id="lot...figure...N10003"><fo:block><fo:block><fo:block font-family="sans-serif" font-weight="bold" font-size="17.28pt" margin-left="-4pc" space-after="0.5em" space-before.maximum="2em" space-before.optimum="1.5em" space-before.minimum="1em">List of Figures</fo:block></fo:block><fo:block/></fo:block><fo:block last-line-end-indent="-24pt" end-indent="24pt" text-align-last="justify"><fo:inline keep-with-next.within-line="always"><fo:basic-link internal-destination="N10047">1.1. Portlet Web Applications and the Portlet Lifecycle</fo:basic-link></fo:inline><fo:inline keep-together.within-line="always"> <fo:leader keep-with-next.within-line="always" leader-alignment="reference-area" leader-pattern-width="3pt" leader-pattern="dots"/> <fo:basic-link internal-destination="N10047"><fo:page-number-citation ref-id="N10047"/></fo:basic-link></fo:inline></fo:block></fo:block></fo:flow></fo:page-sequence><fo:page-sequence master-reference="body" hyphenate="true" id="portlet-intro" language="en" format="1" initial-page-number="1"><fo:static-content flow-name="xsl-region-before-first"><fo:block font-family="serif" margin-left="-4pc" margin-right="-4pc"><fo:table width="100%" table-layout="fixed" border-bottom-width="0.5pt" border-bottom-style="solid" border-bottom-color="black"><fo:table-column column-width="proportional-column-width(1)" column-number="1"/><fo:table-column column-width="proportional-column-width(1)" column-number="2"/><fo:table-column column-width="proportional-column-width(1)" column-number="3"/><fo:table-body><fo:table-row height="14pt"><fo:table-cell display-align="before" text-align="left" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="before" text-align="center" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="before" text-align="right" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell></fo:table-row></fo:table-body></fo:table></fo:block></fo:static-content><fo:static-content flow-name="xsl-region-before-odd"><fo:block font-family="serif" margin-left="-4pc" margin-right="-4pc"><fo:table width="100%" table-layout="fixed" border-bottom-width="0.5pt" border-bottom-style="solid" border-bottom-color="black"><fo:table-column column-width="proportional-column-width(1)" column-number="1"/><fo:table-column column-width="proportional-column-width(1)" column-number="2"/><fo:table-column column-width="proportional-column-width(1)" column-number="3"/><fo:table-body><fo:table-row height="14pt"><fo:table-cell display-align="before" text-align="left" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="before" text-align="center" relative-align="baseline"><fo:block><fo:block>Portlet Concepts</fo:block></fo:block></fo:table-cell><fo:table-cell display-align="before" text-align="right" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell></fo:table-row></fo:table-body></fo:table></fo:block></fo:static-content><fo:static-content flow-name="xsl-region-before-even"><fo:block font-family="serif" margin-left="-4pc" margin-right="-4pc"><fo:table width="100%" table-layout="fixed" border-bottom-width="0.5pt" border-bottom-style="solid" border-bottom-color="black"><fo:table-column column-width="proportional-column-width(1)" column-number="1"/><fo:table-column column-width="proportional-column-width(1)" column-number="2"/><fo:table-column column-width="proportional-column-width(1)" column-number="3"/><fo:table-body><fo:table-row height="14pt"><fo:table-cell display-align="before" text-align="left" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="before" text-align="center" relative-align="baseline"><fo:block><fo:block>Portlet Concepts</fo:block></fo:block></fo:table-cell><fo:table-cell display-align="before" text-align="right" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell></fo:table-row></fo:table-body></fo:table></fo:block></fo:static-content><fo:static-content flow-name="xsl-region-before-blank"><fo:block font-family="serif" margin-left="-4pc" margin-right="-4pc"><fo:table width="100%" table-layout="fixed" border-bottom-width="0.5pt" border-bottom-style="solid" border-bottom-color="black"><fo:table-column column-width="proportional-column-width(1)" column-number="1"/><fo:table-column column-width="proportional-column-width(1)" column-number="2"/><fo:table-column column-width="proportional-column-width(1)" column-number="3"/><fo:table-body><fo:table-row height="14pt"><fo:table-cell display-align="before" text-align="left" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="before" text-align="center" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="before" text-align="right" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell></fo:table-row></fo:table-body></fo:table></fo:block></fo:static-content><fo:static-content flow-name="xsl-footnote-separator"><fo:block><fo:leader leader-length="1in" leader-pattern="rule" color="black"/></fo:block></fo:static-content><fo:static-content flow-name="blank-body"><fo:block text-align="center"/></fo:static-content><fo:static-content flow-name="xsl-region-after-first"><fo:block font-family="serif" margin-left="-4pc" margin-right="-4pc"><fo:table width="100%" table-layout="fixed" border-top-width="0.5pt" border-top-style="solid" border-top-color="black"><fo:table-column column-width="proportional-column-width(1)" column-number="1"/><fo:table-column column-width="proportional-column-width(1)" column-number="2"/><fo:table-column column-width="proportional-column-width(1)" column-number="3"/><fo:table-body><fo:table-row height="14pt"><fo:table-cell display-align="after" text-align="left" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="after" text-align="center" relative-align="baseline"><fo:block><fo:block><fo:page-number/></fo:block></fo:block></fo:table-cell><fo:table-cell display-align="after" text-align="right" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell></fo:table-row></fo:table-body></fo:table></fo:block></fo:static-content><fo:static-content flow-name="xsl-region-after-odd"><fo:block font-family="serif" margin-left="-4pc" margin-right="-4pc"><fo:table width="100%" table-layout="fixed" border-top-width="0.5pt" border-top-style="solid" border-top-color="black"><fo:table-column column-width="proportional-column-width(1)" column-number="1"/><fo:table-column column-width="proportional-column-width(1)" column-number="2"/><fo:table-column column-width="proportional-column-width(1)" column-number="3"/><fo:table-body><fo:table-row height="14pt"><fo:table-cell display-align="after" text-align="left" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="after" text-align="center" relative-align="baseline"><fo:block><fo:block><fo:page-number/></fo:block></fo:block></fo:table-cell><fo:table-cell display-align="after" text-align="right" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell></fo:table-row></fo:table-body></fo:table></fo:block></fo:static-content><fo:static-content flow-name="xsl-region-after-even"><fo:block font-family="serif" margin-left="-4pc" margin-right="-4pc"><fo:table width="100%" table-layout="fixed" border-top-width="0.5pt" border-top-style="solid" border-top-color="black"><fo:table-column column-width="proportional-column-width(1)" column-number="1"/><fo:table-column column-width="proportional-column-width(1)" column-number="2"/><fo:table-column column-width="proportional-column-width(1)" column-number="3"/><fo:table-body><fo:table-row height="14pt"><fo:table-cell display-align="after" text-align="left" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="after" text-align="center" relative-align="baseline"><fo:block><fo:block><fo:page-number/></fo:block></fo:block></fo:table-cell><fo:table-cell display-align="after" text-align="right" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell></fo:table-row></fo:table-body></fo:table></fo:block></fo:static-content><fo:static-content flow-name="xsl-region-after-blank"><fo:block font-family="serif" margin-left="-4pc" margin-right="-4pc"><fo:table width="100%" table-layout="fixed" border-top-width="0.5pt" border-top-style="solid" border-top-color="black"><fo:table-column column-width="proportional-column-width(1)" column-number="1"/><fo:table-column column-width="proportional-column-width(1)" column-number="2"/><fo:table-column column-width="proportional-column-width(1)" column-number="3"/><fo:table-body><fo:table-row height="14pt"><fo:table-cell display-align="after" text-align="left" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell><fo:table-cell display-align="after" text-align="center" relative-align="baseline"><fo:block><fo:block><fo:page-number/></fo:block></fo:block></fo:table-cell><fo:table-cell display-align="after" text-align="right" relative-align="baseline"><fo:block><fo:block/></fo:block></fo:table-cell></fo:table-row></fo:table-body></fo:table></fo:block></fo:static-content><fo:flow flow-name="xsl-region-body"><fo:block font-family="sans-serif"><fo:block margin-left="-4pc"><fo:block font-weight="bold" font-size="24.8832pt"><fo:block hyphenate="false" space-before.maximum="12pt" space-before.minimum="8pt" space-before.optimum="10pt" keep-with-next.within-column="always">Chapter 1. Portlet Concepts</fo:block></fo:block></fo:block><fo:block/></fo:block><fo:block space-before.optimum="1em" space-before.minimum="0.8em" space-before.maximum="1.2em"> Portlets are defined as visual components that can be assimilated into portal web pages. Portlets provide "mini-applications" that can either display informational content or provide access to other services. The GridSphere portal allows users to customize their workspace by adding and removing portlets as needed. In addition to standard window states like minimized or maximized, portlets can also provide various "modes". The standard portlet modes are <fo:inline font-style="italic">view</fo:inline>, <fo:inline font-style="italic">edit</fo:inline>, <fo:inline font-style="italic">configure</fo:inline> and <fo:inline font-style="italic">help</fo:inline>. As an example, consider a stock quote portlet that allows users to customize their stock quote information. View mode would display a user's stock information. Help mode provides users with informational content about the stock quote portlet and how to use it. Edit mode allows users to change the list of stocks they are intersted in monitoring. Finally, <fo:inline font-style="italic">configure</fo:inline> mode allows portlet administrators to change persistent settings such as the stock quote service that is contacted. </fo:block><fo:block space-before.optimum="1em" space-before.minimum="0.8em" space-before.maximum="1.2em"> In the GridSphere framework, portlets inherit from servlets which are defined in Sun's Servlet Specification. Hence, the GridSphere framework is packaged as a web application that provides a portlet container for managing deployed portlets. Portlets are intended to be administered dynamically and portlet administrators can deploy and undeploy portlets to the container. </fo:block><fo:block space-before.optimum="1em" space-before.minimum="0.8em" space-before.maximum="1.2em"> Because portlets extend from servlets, portlets are packaged as web applications according to the Java Servlet Specification as Web ARchive (WAR) files just as any other distributable web application. Within a Portlet Web Application, a portlet descriptor file explained in more detail in the next section, is used to describe the portlet's properties and initialization information. A Portlet definition consists of an application portlet and one or more concrete portlets. Application portlets are defined to be the portlets as servlets where a single instance exists for the duration of the portlet container. A concrete portlet instance is an application portlet parameterized with additional data found in the portlets's deployment descriptor (see next section). For instance, it's possible to provide access to multiple stock quote portlets that may have different configuration settings or allow access to a different set of groups, etc. </fo:block><fo:block space-before.optimum="1em" space-before.minimum="0.8em" space-before.maximum="1.2em"> The GridSphere framework provides built-in support for access control based upon the Role Based Access Control (RBAC) model. GridSphere uses portlet web applications to define groups. Users may belong to one or more groups (meaning they have access to one or more portlet web applications) and they have a <fo:inline font-style="italic">role</fo:inline> within each group. the four supported roles are <fo:inline font-style="italic">GUEST</fo:inline>, <fo:inline font-style="italic">USER</fo:inline>, <fo:inline font-style="italic">ADMIN</fo:inline> and <fo:inline font-style="italic">SUPER</fo:inline>. A user with the GUEST role will obtain a generic view of the portal suitable to guests while a user that has logged on, will have the USER role and may be able to see the portlet personalized with their settings. A user with the ADMIN role can have access to a portlet's CONFIGURE mode described earlier and presumably configure a portlet's initialization settings. A user possesing the SUPER role can essentially do anything they want to any portlet and is essentially equivalent to having root access in an operating system. </fo:block><fo:block space-before.optimum="1em" space-before.minimum="0.8em" space-before.maximum="1.2em"> The Portlet API explained in greater detail in <fo:basic-link internal-destination="portlet-objects">???</fo:basic-link> provides a much richer interface for web programming than the standard servlet model. In addition to providing information about the current portlet mode and window state, the API provides access to the portal user including group and role information using the <fo:basic-link internal-destination="portlet-objects">GridSphere access control model</fo:basic-link>. </fo:block> The Portlet Services API described in <fo:basic-link internal-destination="portlet-services">???</fo:basic-link> provides a very clean approach for the creation of reusable "services" that perform a set of tasks for a given portlet. Using the portlet API, a service instance can be obtained providing the portlet with additional functionality. <fo:block space-before.minimum="0.5em" space-before.optimum="1em" space-before.maximum="2em" space-after.minimum="0.5em" space-after.optimum="1em" space-after.maximum="2em" id="N10047"><fo:block space-before.optimum="1em" space-before.minimum="0.8em" space-before.maximum="1.2em" font-weight="bold" font-size="12pt" hyphenate="false" space-after.minimum="0.4em" space-after.optimum="0.6em" space-after.maximum="0.8em" keep-with-next.within-column="always">Figure 1.1. Portlet Web Applications and the Portlet Lifecycle</fo:block><fo:block><fo:external-graphic src="url(lifecycle.png)" width="auto" height="auto" content-width="auto" content-height="auto"/></fo:block></fo:block><fo:block space-before.optimum="1em" space-before.minimum="0.8em" space-before.maximum="1.2em"> The following inheritance hierarchy describes the relationship between servlets and portlets: <fo:block space-before.optimum="1em" space-before.minimum="0.8em" space-before.maximum="1.2em"> <fo:list-block space-before.optimum="1em" space-before.minimum="0.8em" space-before.maximum="1.2em" space-after.optimum="1em" space-after.minimum="0.8em" space-after.maximum="1.2em" provisional-label-separation="0.2em" id="N10051" provisional-distance-between-starts="1.5em"><fo:list-item space-before.optimum="1em" space-before.minimum="0.8em" space-before.maximum="1.2em" id="N10052"><fo:list-item-label end-indent="label-end()"><fo:block>•</fo:block></fo:list-item-label><fo:list-item-body start-indent="body-start()"><fo:inline font-family="monospace" font-size="0.9em">javax.servlet.http.HttpServlet</fo:inline></fo:list-item-body></fo:list-item><fo:list-item space-before.optimum="1em" space-before.minimum="0.8em" space-before.maximum="1.2em" id="N10055"><fo:list-item-label end-indent="label-end()"><fo:block>•</fo:block></fo:list-item-label><fo:list-item-body start-indent="body-start()"><fo:inline font-family="monospace" font-size="0.9em">org.gridlab.gridsphere.portlet.Portlet</fo:inline></fo:list-item-body></fo:list-item><fo:list-item space-before.optimum="1em" space-before.minimum="0.8em" space-before.maximum="1.2em" id="N10058"><fo:list-item-label end-indent="label-end()"><fo:block>•</fo:block></fo:list-item-label><fo:list-item-body start-indent="body-start()"><fo:inline font-family="monospace" font-size="0.9em">org.gridlab.gridsphere.portlet.PortletAdapter</fo:inline></fo:list-item-body></fo:list-item><fo:list-item space-before.optimum="1em" space-before.minimum="0.8em" space-before.maximum="1.2em" id="N1005B"><fo:list-item-label end-indent="label-end()"><fo:block>•</fo:block></fo:list-item-label><fo:list-item-body start-indent="body-start()"><fo:inline font-family="monospace" font-size="0.9em">org.gridlab.gridsphere.portlet.AbstractPortlet</fo:inline></fo:list-item-body></fo:list-item><fo:list-item space-before.optimum="1em" space-before.minimum="0.8em" space-before.maximum="1.2em" id="N1005E"><fo:list-item-label end-indent="label-end()"><fo:block>•</fo:block></fo:list-item-label><fo:list-item-body start-indent="body-start()"><fo:inline font-family="monospace" font-size="0.9em">com.mycom.MyPortlet</fo:inline></fo:list-item-body></fo:list-item></fo:list-block> </fo:block> In general to reap the benefits of the GridSphere portlet model, a developer would create a new portlet which subclasses from the <fo:inline font-family="monospace" font-size="0.9em">org.gridlab.gridsphere.portlet.AbstractPortlet</fo:inline> class and implement the lifecycle methods detailed in the next section. </fo:block></fo:flow></fo:page-sequence></fo:root>
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