stefano 00/07/21 13:12:54
Added: src/org/apache/cocoon/processor/xsp/library/fp fp.xsl
fpError.java fpLibrary.java fpResource.java
Log:
added FP taglib
Revision Changes Path
1.1
xml-cocoon/src/org/apache/cocoon/processor/xsp/library/fp/fp.xsl
Index: fp.xsl
===================================================================
<?xml version="1.0"?>
<!--
============================================================================
The Apache Software License, Version 1.1
============================================================================
Copyright (C) @year@ The Apache Software Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without modifica-
tion, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. The end-user documentation included with the redistribution, if any, must
include the following acknowledgment: "This product includes software
developed by the Apache Software Foundation (http://www.apache.org/)."
Alternately, this acknowledgment may appear in the software itself, if
and wherever such third-party acknowledgments normally appear.
4. The names "Cocoon" and "Apache Software Foundation" must not be used to
endorse or promote products derived from this software without prior
written permission. For written permission, please contact
[EMAIL PROTECTED]
5. Products derived from this software may not be called "Apache", nor may
"Apache" appear in their name, without prior written permission of the
Apache Software Foundation.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
This software consists of voluntary contributions made by many individuals
on behalf of the Apache Software Foundation and was originally created by
Stefano Mazzocchi <[EMAIL PROTECTED]>. For more information on the Apache
Software Foundation, please see <http://www.apache.org/>.
-->
<!-- Written by Jeremy Quinn "[EMAIL PROTECTED]" -->
<xsl:stylesheet version="1.0"
xmlns:fp="http://apache.org/cocoon/XSP/FP/1.0";
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
xmlns:xsp="http://www.apache.org/1999/XSP/Core";
>
<xsl:template match="xsp:page">
<xsp:page>
<xsl:copy>
<xsl:apply-templates select="@*"/>
</xsl:copy>
<xsp:structure>
<xsp:include>org.apache.cocoon.processor.xsp.library.fp.*</xsp:include>
</xsp:structure>
<xsl:apply-templates/>
</xsp:page>
</xsl:template>
<xsl:template match="xsp:page/*">
<xsl:copy>
<xsl:apply-templates select="@*"/>
<xsp:logic>
Hashtable fpResources = new Hashtable();
Hashtable fpErrors = new Hashtable();
String fpRedirect = new String();
Document fpDocument = null;
</xsp:logic>
<xsl:apply-templates/>
<xsp:attribute name="fp-errors">
<xsp:expr>fpErrors.size()</xsp:expr>
</xsp:attribute>
<xsp:logic>
/* if no errors and post, use redirect */
if ( fpErrors.size() == 0 ) {
/* serialise any changed resources */
fpLibrary.saveResources(xspCurrentNode,
fpResources, fpErrors);
if
("POST".equalsIgnoreCase(request.getMethod())) {
/* send redirect */
if (!fpRedirect.equals("")) {
response.sendRedirect(fpRedirect);
}
}
} else {
// output errors
fpLibrary.getErrors(xspCurrentNode, fpErrors);
}
</xsp:logic>
</xsl:copy>
</xsl:template>
<xsl:template match="fp:write">
<xsl:variable name="select">
<xsl:if test="select"><xsl:value-of
select="normalize-space(select)"/></xsl:if>
<xsl:if test="@select"><xsl:value-of select="@select"/></xsl:if>
</xsl:variable>
<xsl:variable name="to">
<xsl:if test="to"><xsl:value-of
select="normalize-space(to)"/></xsl:if>
<xsl:if test="@to"><xsl:value-of select="@to"/></xsl:if>
</xsl:variable>
<xsl:variable name="mode">
<xsl:if test="mode"><xsl:value-of
select="normalize-space(mode)"/></xsl:if>
<xsl:if test="@mode"><xsl:value-of select="@mode"/></xsl:if>
</xsl:variable>
<xsl:variable name="value">
<xsl:call-template name="get-nested-content">
<xsl:with-param name="content" select="."/>
</xsl:call-template>
</xsl:variable>
<xsl:variable name="as">
<xsl:call-template name="value-for-as">
<xsl:with-param name="default" select="'string'"/>
</xsl:call-template>
</xsl:variable>
<xsp:logic>
fpLibrary.handleWrite(
xspCurrentNode,
fpResources,
fpErrors,
"<xsl:copy-of select="$select"/>",
"<xsl:copy-of select="$to"/>",
<xsl:copy-of select="$value"/>,
"<xsl:value-of select="$as"/>",
"<xsl:copy-of select="$mode"/>"
);
</xsp:logic>
</xsl:template>
<xsl:template match="fp:read">
<xsl:variable name="select">
<xsl:if test="select"><xsl:value-of
select="normalize-space(select)"/></xsl:if>
<xsl:if test="@select"><xsl:value-of select="@select"/></xsl:if>
</xsl:variable>
<xsl:variable name="from">
<xsl:if test="from"><xsl:value-of
select="normalize-space(from)"/></xsl:if>
<xsl:if test="@from"><xsl:value-of select="@from"/></xsl:if>
</xsl:variable>
<xsl:variable name="as">
<xsl:call-template name="value-for-as">
<xsl:with-param name="default" select="'string'"/>
</xsl:call-template>
</xsl:variable>
<xsl:choose>
<xsl:when test="name(..) = 'fp:write'">
<xsp:logic>
fpLibrary.handleRead(
xspCurrentNode,
fpResources,
fpErrors,
"<xsl:value-of select="$select"/>",
"<xsl:value-of select="$from"/>",
"<xsl:value-of select="$as"/>")
</xsp:logic>
</xsl:when>
<xsl:otherwise>
<xsp:expr>
fpLibrary.handleRead(
xspCurrentNode,
fpResources,
fpErrors,
"<xsl:value-of select="$select"/>",
"<xsl:value-of select="$from"/>",
"<xsl:value-of select="$as"/>")
</xsp:expr>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template match="fp:resource">
<xsl:variable name="file">
<xsl:call-template name="get-nested-string">
<xsl:with-param name="content"
select="fp:resource-file"/>
</xsl:call-template>
</xsl:variable>
<xsl:variable name="node">
<xsl:call-template name="get-nested-string">
<xsl:with-param name="content"
select="fp:resource-node"/>
</xsl:call-template>
</xsl:variable>
<xsl:variable name="mode">
<xsl:call-template name="get-nested-string">
<xsl:with-param name="content"
select="fp:default-mode"/>
</xsl:call-template>
</xsl:variable>
<xsp:logic>
fpLibrary.handleFileResource(
xspCurrentNode,
request,
(javax.servlet.ServletContext)context,
fpResources,
fpErrors,
String.valueOf("<xsl:value-of select="@id"/>"),
String.valueOf(<xsl:copy-of select="$file"/>),
String.valueOf(<xsl:copy-of select="$node"/>),
String.valueOf(<xsl:copy-of select="$mode"/>)
);
</xsp:logic>
</xsl:template>
<xsl:template match="fp:resource-file"></xsl:template>
<xsl:template match="fp:resource-node"></xsl:template>
<xsl:template match="fp:write-mode"></xsl:template>
<xsl:template match="fp:redirect">
<xsl:variable name="value">
<xsl:call-template name="get-nested-string">
<xsl:with-param name="content" select="."/>
</xsl:call-template>
</xsl:variable>
<xsp:logic>
fpRedirect = <xsl:copy-of select="$value"/>;
</xsp:logic>
</xsl:template>
<xsl:template match="fp:if-post">
<xsp:logic>
if ("POST".equalsIgnoreCase(request.getMethod())) {</xsp:logic>
<xsl:apply-templates/>
<xsp:logic>}; // end if-post
</xsp:logic>
</xsl:template>
<xsl:template match="fp:if-get">
<xsp:logic>
if ("GET".equalsIgnoreCase(request.getMethod())) {</xsp:logic>
<xsl:apply-templates/>
<xsp:logic>}; // end if-get
</xsp:logic>
</xsl:template>
<xsl:template match="@*|node()" priority="-1">
<xsl:copy><xsl:apply-templates select="@*|node()"/></xsl:copy>
</xsl:template>
<xsl:template name="value-for-as">
<xsl:param name="default"/>
<xsl:choose>
<xsl:when test="@as"><xsl:value-of select="@as"/></xsl:when>
<xsl:otherwise><xsl:value-of select="$default"/></xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template name="value-for-name">
<xsl:choose>
<xsl:when test="@name">"<xsl:value-of
select="@name"/>"</xsl:when>
<xsl:when test="name">
<xsl:call-template name="get-nested-content">
<xsl:with-param name="content" select="name"/>
</xsl:call-template>
</xsl:when>
</xsl:choose>
</xsl:template>
<xsl:template name="get-nested-content">
<xsl:param name="content"/>
<xsl:choose>
<xsl:when test="$content/*"><xsl:apply-templates
select="$content/*"/></xsl:when>
<xsl:otherwise>"<xsl:value-of
select="$content"/>"</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template name="get-nested-string">
<xsl:param name="content"/>
<xsl:choose>
<xsl:when test="$content/*">
""
<xsl:for-each select="$content/node()">
<xsl:choose>
<xsl:when test="name(.)">
+ <xsl:apply-templates
select="."/>
</xsl:when>
<xsl:otherwise>
+ "<xsl:value-of
select="translate(.,'	 ',' ')"/>"
</xsl:otherwise>
</xsl:choose>
</xsl:for-each>
</xsl:when>
<xsl:otherwise>"<xsl:value-of
select="$content"/>"</xsl:otherwise>
</xsl:choose>
</xsl:template>
</xsl:stylesheet>
1.1
xml-cocoon/src/org/apache/cocoon/processor/xsp/library/fp/fpError.java
Index: fpError.java
===================================================================
/*
============================================================================
The Apache Software License, Version 1.1
============================================================================
Copyright (C) @year@ The Apache Software Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without modifica-
tion, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. The end-user documentation included with the redistribution, if any, must
include the following acknowledgment: "This product includes software
developed by the Apache Software Foundation (http://www.apache.org/)."
Alternately, this acknowledgment may appear in the software itself, if
and wherever such third-party acknowledgments normally appear.
4. The names "Cocoon" and "Apache Software Foundation" must not be used to
endorse or promote products derived from this software without prior
written permission. For written permission, please contact
[EMAIL PROTECTED]
5. Products derived from this software may not be called "Apache", nor may
"Apache" appear in their name, without prior written permission of the
Apache Software Foundation.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
This software consists of voluntary contributions made by many individuals
on behalf of the Apache Software Foundation and was originally created by
Stefano Mazzocchi <[EMAIL PROTECTED]>. For more information on the Apache
Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.cocoon.processor.xsp.library.fp;
import java.io.*;
import java.net.*;
import java.util.*;
import java.text.*;
import org.w3c.dom.*;
import javax.servlet.*;
import javax.servlet.http.*;
import org.apache.cocoon.processor.xsp.*;
import org.apache.cocoon.framework.XObject;
public class fpError {
Node cNode = null;
Node eNode = null;
String eMessage = null;
String eLabel = null;
public fpError (Node cNode, Node eNode, String eMessage, String eLabel)
{
this.cNode = cNode;
this.eNode = eNode;
this.eMessage = eMessage;
this.eLabel = eLabel;
System.out.println(getErrorString());
}
public String getErrorString () {
StringBuffer sb = new StringBuffer();
sb.append("fp error on: " +
((cNode != null) ? cNode.getNodeName(): "unkown") + "\r");
sb.append("fp error-message: " + eMessage + "\r");
sb.append("fp error-node-name: " + ((eNode != null) ?
eNode.getNodeName(): "unkown") + "\r");
sb.append("fp error-node-type: " + ((eNode != null) ?
String.valueOf(eNode.getNodeType()): "unkown") + "\r");
return sb.toString();
}
public Node getErrorNode(Node rNode) {
Element errors = null, msg;
try {
Document doc = rNode.getOwnerDocument();
errors = doc.createElement("fp-error");
errors.setAttribute("id", "fp-" + eLabel);
msg = doc.createElement("fp-error-message");
errors.appendChild(doc.createTextNode("\n\t"));
msg.appendChild(doc.createTextNode(eMessage));
errors.appendChild(msg);
msg = doc.createElement("fp-error-node-name");
msg.appendChild(doc.createTextNode("\n\t"));
msg.appendChild(doc.createTextNode(eNode.getNodeName()));
errors.appendChild(msg);
msg = doc.createElement("fp-error-node-type");
msg.appendChild(doc.createTextNode("\n\t"));
msg.appendChild(doc.createTextNode(String.valueOf(eNode.getNodeType())));
errors.appendChild(msg);
} catch (Exception e) {
e.printStackTrace();
System.out.println(e.getMessage());
}
return errors;
}
}
1.1
xml-cocoon/src/org/apache/cocoon/processor/xsp/library/fp/fpLibrary.java
Index: fpLibrary.java
===================================================================
/*
============================================================================
The Apache Software License, Version 1.1
============================================================================
Copyright (C) @year@ The Apache Software Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without modifica-
tion, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. The end-user documentation included with the redistribution, if any, must
include the following acknowledgment: "This product includes software
developed by the Apache Software Foundation (http://www.apache.org/)."
Alternately, this acknowledgment may appear in the software itself, if
and wherever such third-party acknowledgments normally appear.
4. The names "Cocoon" and "Apache Software Foundation" must not be used to
endorse or promote products derived from this software without prior
written permission. For written permission, please contact
[EMAIL PROTECTED]
5. Products derived from this software may not be called "Apache", nor may
"Apache" appear in their name, without prior written permission of the
Apache Software Foundation.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
This software consists of voluntary contributions made by many individuals
on behalf of the Apache Software Foundation and was originally created by
Stefano Mazzocchi <[EMAIL PROTECTED]>. For more information on the Apache
Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.cocoon.processor.xsp.library.fp;
import java.io.*;
import java.net.*;
import java.util.*;
import java.text.*;
import java.security.*;
import org.w3c.dom.*;
import javax.servlet.*;
import javax.servlet.http.*;
import org.apache.cocoon.processor.xsp.*;
import org.apache.cocoon.framework.XObject;
public class fpLibrary {
public static void getErrors(Node cNode, Hashtable errors) {
Enumeration e = errors.elements();
while (e.hasMoreElements()) {
cNode.appendChild(((fpError)e.nextElement()).getErrorNode(cNode));
}
}
public static void reportError(Node cNode, Node eNode, Hashtable
errors, String message ) {
String label = String.valueOf(errors.size() + 1);
//System.out.println("error:"+ label);
errors.put(label, new fpError(cNode, eNode, message, label));
((Element)cNode).setAttribute("fp-error", "fp-" + label);
}
public static Node[] NodeList2Array(NodeList nodes) {
int len = nodes.getLength();
Node n[] = new Node[len];
if (len > 0) {
for(int i = 0; i < len; i++) {
n[i] = nodes.item(i);
}
return n;
}
return null;
}
public static void handleFileResource(Node cNode, HttpServletRequest
request, ServletContext context, Hashtable resources, Hashtable errors, String
key, String file, String xpath, String mode) {
//try {//
File f = null;
try {
f = new File(XSPUtil.relativeFilename(file, request,
context));
} catch (Exception e) {
reportError(cNode, cNode, errors, "Resource Error:
Could not locate file: " + f.toString() + " : " + e.getMessage());
}
fpResource res = new fpResource(cNode, f, xpath, mode, key);
resources.put(key, res);
/*} catch(Exception ex) {
System.out.println(ex.getMessage());
}*/
//System.out.println("request [" +
request.getParameter("body") + "]");
}
public static Object handleRead(Node cNode, Hashtable resources,
Hashtable errors, String select, String key, String type) {
Object e = null;
fpResource res = (fpResource)resources.get(key);
if (res == null) {
reportError(cNode, cNode, errors, "Resource not
defined: " + key);
return e;
}
if (type.equalsIgnoreCase("node")) {
e = res.readAsNode(cNode, errors, select);
} else {
e = res.readAsString(cNode, errors, select);
}
return e;
}
public static Object handleWrite(Node cNode, Hashtable resources,
Hashtable errors, String select, String key, Object value, String type, String
mode) {
Object e = null;
fpResource res = (fpResource)resources.get(key);
if (res == null) {
reportError(cNode, cNode, errors, "Resource not
defined: " + key);
return e;
}
if (type.equalsIgnoreCase("node".trim())) {
e = res.writeAsXMLNode(cNode, errors, select, value,
mode);
} else {
e = res.writeAsTextNode(cNode, errors, select, value,
mode);
}
return e;
}
public static String getAsMarkup(Node node) {
if (!node.hasChildNodes()) {
//System.out.println("getAsMarkup:" +
node.getNodeValue());
return node.getNodeValue();
} else {
StringBuffer buffer = new StringBuffer();
NodeList n = node.getChildNodes();
int childCount = n.getLength();
for (int i = 0; i < childCount; i++) {
doMarkup(n.item(i), buffer);
}
//System.out.println("getAsMarkup:" +
buffer.toString());
return buffer.toString();
}
}
public static void saveResources(Node cNode, Hashtable
resources, Hashtable errors) {
Enumeration e = resources.elements();
while (e.hasMoreElements()) {
fpResource res = (fpResource)e.nextElement();
if (res.hasChanged()) {
res.save(cNode, errors);
}
}
}
protected static void doMarkup(Node node, StringBuffer buffer) {
switch (node.getNodeType()) {
case Node.CDATA_SECTION_NODE:
buffer.append("<![CDATA[\n");
buffer.append(node.getNodeValue());
buffer.append("]]>\n");
break;
case Node.DOCUMENT_NODE:
case Node.DOCUMENT_FRAGMENT_NODE: {
NodeList nodeList = node.getChildNodes();
int childCount = nodeList.getLength();
for (int i = 0; i < childCount; i++) {
doMarkup(nodeList.item(i), buffer);
}
break;
}
case Node.ELEMENT_NODE: {
Element element = (Element) node;
buffer.append("<" + element.getTagName());
NamedNodeMap attributes =
element.getAttributes();
int attributeCount = attributes.getLength();
for (int i = 0; i < attributeCount; i++) {
Attr attribute = (Attr)
attributes.item(i);
buffer.append(" ");
buffer.append(attribute.getName());
buffer.append("=\"");
buffer.append(attribute.getValue());
buffer.append("\"");
}
NodeList nodeList = element.getChildNodes();
int childCount = nodeList.getLength();
if (childCount == 0) {
buffer.append("/>\n");
} else {
buffer.append(">");
for (int i = 0; i < childCount; i++) {
doMarkup(nodeList.item(i),
buffer);
}
buffer.append("</");
buffer.append(element.getTagName());
buffer.append(">");
}
break;
}
case Node.COMMENT_NODE:
buffer.append("<!-- ");
buffer.append(node.getNodeValue());
buffer.append(" -->\n");
break;
case Node.PROCESSING_INSTRUCTION_NODE:
ProcessingInstruction pi =
(ProcessingInstruction) node;
buffer.append("<?");
buffer.append(pi.getTarget());
buffer.append(" ");
buffer.append(pi.getData());
buffer.append("?>\n");
break;
case Node.TEXT_NODE:
buffer.append(node.getNodeValue());
// buffer.append("\n");
break;
default:
break;
}
}
}
1.1
xml-cocoon/src/org/apache/cocoon/processor/xsp/library/fp/fpResource.java
Index: fpResource.java
===================================================================
/*
============================================================================
The Apache Software License, Version 1.1
============================================================================
Copyright (C) @year@ The Apache Software Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without modifica-
tion, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. The end-user documentation included with the redistribution, if any, must
include the following acknowledgment: "This product includes software
developed by the Apache Software Foundation (http://www.apache.org/)."
Alternately, this acknowledgment may appear in the software itself, if
and wherever such third-party acknowledgments normally appear.
4. The names "Cocoon" and "Apache Software Foundation" must not be used to
endorse or promote products derived from this software without prior
written permission. For written permission, please contact
[EMAIL PROTECTED]
5. Products derived from this software may not be called "Apache", nor may
"Apache" appear in their name, without prior written permission of the
Apache Software Foundation.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
This software consists of voluntary contributions made by many individuals
on behalf of the Apache Software Foundation and was originally created by
Stefano Mazzocchi <[EMAIL PROTECTED]>. For more information on the Apache
Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.cocoon.processor.xsp.library.fp;
import java.io.*;
import java.net.*;
import java.util.*;
import java.text.*;
import org.w3c.dom.*;
import org.apache.xerces.dom.DocumentImpl;
import org.apache.xerces.parsers.*;
import org.apache.xml.serialize.*;
import javax.servlet.*;
import javax.servlet.http.*;
import org.apache.cocoon.processor.xsp.*;
import org.apache.cocoon.xml.util.XPathAPI;
import org.apache.cocoon.framework.XObject;
import org.xml.sax.InputSource;
public class fpResource {
//RevalidatingDOMParser parser = null;
protected static SerializerFactory serializer_factory =
SerializerFactory.getSerializerFactory(Method.XML);
Document workDoc = null;
String name = "";
Node readNode = null;
Node writeNode = null;
Node errorNode = null;
File workFile = null;
String workEncoding = "UTF-8";
HttpServletRequest request;
boolean changed = false;
String xpath = "";
public String mode = "";
public fpResource (Node errorNode, File workFile, String xpath, String
mode, String name) {
this.errorNode = errorNode;
this.workFile = workFile;
this.xpath = xpath;
this.mode = mode;
this.name = name;
}
public void save(Node cNode, Hashtable errors) {
OutputFormat format = new OutputFormat(workDoc, workEncoding,
true);
format.setVersion("1.0");
format.setPreserveSpace(true);
format.setIndent(1);
format.setIndenting(true);
format.setLineWidth(0);
format.setLineSeparator("\n");
try {
FileWriter writer = new FileWriter(workFile);
Serializer serializer =
serializer_factory.makeSerializer(writer,format);
serializer.asDOMSerializer().serialize(workDoc);
writer.close();
} catch (Exception ex) {
fpLibrary.reportError(cNode, cNode, errors, "Cannot
save the file: " + workFile);
ex.printStackTrace();
}
}
private void init(Hashtable errors) {
if (notLoaded()) {
Node workNode = null;
Node parent = null;
NodeList nodes = null;
//System.out.println("about to call LoadDocument");
workDoc = loadDocument(workFile, errors);
//System.out.println("LoadDocument called ");
if (workDoc == null) {
//System.out.println("Document was null");
}
try {
//System.out.println("about to call
XPathAPI.selectNodeList [" + xpath + "]");
nodes =
XPathAPI.selectNodeList(workDoc.getDocumentElement(), xpath);
//System.out.println("XPathAPI.selectNodeList
called");
} catch (Exception ex) {
fpLibrary.reportError(errorNode, errorNode,
errors, "Problem using the supplied XPath expression: " + xpath + " : " +
ex.getMessage());
ex.printStackTrace();
}
if (nodes != null && nodes.getLength() == 0) {
fpLibrary.reportError(errorNode, errorNode,
errors, "(init) No nodes match the given XPath expression: " + xpath);
}
//System.out.println("OK");
try {
readNode = nodes.item(0);
writeNode = readNode;
parent = readNode.getParentNode();
//System.out.println("Starting mode, Got :" +
parent.getNodeName() + "/" + readNode.getNodeName());
//System.out.println("there are nodes here :" +
String.valueOf(readNode.hasChildNodes()));
if (mode.equalsIgnoreCase("remove")) {
parent.removeChild(readNode);
changed = true;
} else if
(mode.equalsIgnoreCase("insert-before")) {
workNode =
workDoc.createElement(readNode.getNodeName());
parent.insertBefore(workDoc.createTextNode("\r\t"), readNode);
parent.insertBefore(workNode, readNode);
writeNode = workNode;
} else if
(mode.equalsIgnoreCase("insert-after")) {
workNode =
workDoc.createElement(readNode.getNodeName());
Node brother = parent.getNextSibling();
if (brother == null) {
parent.appendChild(workDoc.createTextNode("\r\t"));
parent.appendChild(workNode);
} else {
parent.insertBefore(workDoc.createTextNode("\r\t"), brother);
parent.insertBefore(workNode,
brother);
}
writeNode = workNode;
}
} catch (Exception ex) {
ex.printStackTrace();
}
//System.out.println("Ending mode, Got :" +
parent.getNodeName() + "/" + readNode.getNodeName());
//System.out.println("there are nodes here :" +
String.valueOf(readNode.hasChildNodes()));
}
}
public Object readAsNode(Node cNode, Hashtable errors, String select) {
init(errors);
NodeList nodes = null;
((Element)cNode).setAttribute("fp-type", "text/xml");
((Element)cNode).setAttribute("fp-action", "read");
((Element)cNode).setAttribute("fp-select", select);
((Element)cNode).setAttribute("fp-from", name);
try {
try {
nodes = XPathAPI.selectNodeList(readNode,
select, null);
} catch (Exception ex) {
fpLibrary.reportError(cNode, readNode, errors,
"XPath expression error on:" + select + " : " + ex.getMessage());
ex.printStackTrace();
return null;
}
if (nodes == null || nodes.getLength() == 0) {
fpLibrary.reportError(cNode, readNode, errors,
"No nodes match the given XPath expression:" + select);
return null;
}
//e.appendChild((Element)XSPUtil.cloneNode(nodes.item(0), outDoc));
//e.appendChild((Element)XSPUtil.cloneNode((Node)nodes, outDoc));
//for (int i = 0; i < nodes.getLength(); i ++) {
//
e.appendChild((Element)XSPUtil.cloneNode(nodes.item(i), outDoc));
//}
} catch (Exception ex) {
System.out.println(ex.getMessage());
ex.printStackTrace();
}
return fpLibrary.NodeList2Array(nodes);
}
public Object readAsString(Node cNode, Hashtable errors, String select)
{
init(errors);
NodeList nodes = null;
StringBuffer temp = new StringBuffer("");
((Element)cNode).setAttribute("fp-type", "text/plain");
((Element)cNode).setAttribute("fp-action", "read");
((Element)cNode).setAttribute("fp-select", select);
((Element)cNode).setAttribute("fp-from", name);
try {
try {
nodes = XPathAPI.selectNodeList(readNode,
select, null);
//System.out.println("Found " +
nodes.getLength() + " nodes");
} catch (Exception ex) {
fpLibrary.reportError(cNode, readNode, errors,
"XPath expression error on:" + select + " : " + ex.getMessage());
ex.printStackTrace();
}
if (nodes == null || nodes.getLength() == 0) {
fpLibrary.reportError(cNode, readNode, errors,
"No nodes match the given XPath expression:" + select);
} else {
//System.out.println("extracting TextNodes
from: " + nodes.getLength());
// for each of our results
for (int i = 0; i < nodes.getLength(); i ++) {
Node n = nodes.item(i);
NodeList nl = n.getChildNodes();
if (nodes.getLength() == 0) { return
n.getNodeValue(); }// if this is a TextNode, get just it
for (int ix = 0; ix < nl.getLength();
ix++)
if (nl.item(ix).getNodeType()
== Node.TEXT_NODE) { // only get the Text Nodes
//System.out.println("extracting: [" + nl.item(ix).getNodeValue() + "]");
//temp.append(fpLibrary.getAsMarkup((Node)nodes.item(i)));
temp.append(nl.item(ix).getNodeValue());
}
}
}
/*
= fpLibrary.getAsMarkup((Node)nodes);
System.out.println("got : [" + temp + "]");*/
//e.appendChild(outDoc.createTextNode(temp.toString()));
} catch (Exception ex) {
ex.printStackTrace();
}
return temp.toString();
}
public Object writeAsTextNode(Node cNode, Hashtable errors, String
select, Object value, String customMode) {
init(errors);
//Object result = null;
((Element)cNode).setAttribute("fp-type", "text/plain");
((Element)cNode).setAttribute("fp-action", "write");
((Element)cNode).setAttribute("fp-select", select);
((Element)cNode).setAttribute("fp-to", name);
try {
Object fileNode = sureNode(select); // construct path
to node
if (fileNode instanceof Node[]) {
int len = ((Node[])fileNode).length;
if ( len > 1 ) { // FIXME ?? is there an
alternative to this?
fpLibrary.reportError(cNode, readNode,
errors, "Cannot write to the multiple Nodes returned by this XPath expression:"
+ select);
return null;
} else if ( len == 1 ) {
fileNode = (Node)((Node[])fileNode)[0];
}
}
NodeList kids = ((Node)fileNode).getChildNodes();
for (int i = kids.getLength()-1; i>-1 ; i --) { //
strip out all existing TextNodes from fileNode
if (kids.item(i).getNodeType() ==
Node.TEXT_NODE) {
((Element)fileNode).removeChild(kids.item(i));
}
}
if (value instanceof Node[]) { // from embedded fp:read
tag having multiple hits with it's XPath
Node[] v = (Node[])value;
for (int i = 0; i < v.length ; i ++) { // adopt
all TextNode elements
if (v[i].getNodeType() ==
Node.TEXT_NODE ) {
((Element)fileNode).appendChild(workDoc.createTextNode(v[i].getNodeValue()));
// send to file
}
}
//result = fileNode; // send to form
} else if (value instanceof Element) { // from embedded
fp:tag
Node v = (Node)value;
kids = v.getChildNodes();
if (kids.getLength() == 0) { // it's a Text
Node (?!?)
((Element)fileNode).appendChild(workDoc.createTextNode(v.getNodeValue()));
} else {
for (int i = 0; i < kids.getLength() ;
i ++) {
if (kids.item(i).getNodeType()
== Node.TEXT_NODE) {
((Element)fileNode).appendChild(workDoc.createTextNode(kids.item(i).getNodeValue()));
// clone the TextNode kids to file
}
}
}
//result = fileNode; // send to form
} else { // make a TextNode of the String value
Node tn = workDoc.createTextNode((String)value);
((Element)fileNode).appendChild(tn); // send to
file
//result = tn;
}
// removed till Xerces 1.1.2 is working
/*Node errorNode = parser.validate(workNode);
if (errorNode != null) {
fpLibrary.reportError(currentNode, errorNode,
"Cannot Validate from: " + errorNode.getNodeName() + " with XPath: " + select);
errors = true;
} else {
changed = true;
}*/
changed = true;
} catch (Exception ex) {
ex.printStackTrace();
}
return ""; // no longer returning write data
}
public Object writeAsXMLNode(Node cNode, Hashtable errors, String
select, Object value, String customMode) {
init(errors);
//Object result = null;
((Element)cNode).setAttribute("fp-type", "text/xml");
((Element)cNode).setAttribute("fp-action", "write");
((Element)cNode).setAttribute("fp-select", select);
((Element)cNode).setAttribute("fp-to", name);
try {
Object fileNode = sureNode(select);
if (fileNode instanceof Node[]) {
int len = ((Node[])fileNode).length;
if ( len > 1 ) {
fpLibrary.reportError(cNode, readNode,
errors, "Cannot write to the multiple Nodes returned by this XPath expression:"
+ select);
return value;
} else if ( len == 1 ) {
fileNode = (Node)((Node[])fileNode)[0];
}
}
Node newNode =
workDoc.createElement(((Node)fileNode).getNodeName()); // node to insert to file
if (value instanceof Node[]) { // from embedded fp:read
tag having multiple hits with it's XPath
Node[] v = (Node[])value;
for (int i = 0; i < v.length ; i ++) { // adopt
all Node elements
newNode.appendChild(XSPUtil.cloneNode(v[i], workDoc)); // send to file
}
} else if (value instanceof Element) { // from embedded
fp:tag
Node v = (Node)value;
NodeList kids = v.getChildNodes();
for (int i = 0; i < kids.getLength() ; i ++) {
// adopt all childNodes
newNode.appendChild(XSPUtil.cloneNode(kids.item(i), workDoc)); // send to file
}
} else {
// make a TextNode of the parsed String value
newNode = parseStringInto(workDoc, cNode,
String.valueOf(value), errors); // send to file
}
if (newNode != null) {
((Node)fileNode).getParentNode().replaceChild(newNode, (Node)fileNode);//
replace copy in file
//result = newNode; // send it to form
}
// removed till Xerces 1.1.2 is working
/*Node errorNode = parser.validate(fileNode);
if (errorNode != null) {
fpLibrary.reportError(cNode, errorNode, errors,
"Cannot Validate from: " + errorNode.getNodeName() + " with XPath: " + select);
errors = true;
}*/
changed = true;
} catch (Exception ex) {
ex.printStackTrace();
}
return ""; // no longer returning write data
}
/* get the Element we need to change, building any required on the way
*/
public Object sureNode(String select) {
NodeList nodes = null;
boolean found = false;
Element e = null;
//System.out.println("sureNode select:" + select + " from:" +
writeNode.getNodeName());
try {
nodes = XPathAPI.selectNodeList(writeNode, select);
} catch (Exception ex) {
//fpLibrary.reportError(currentNode, rootNode, "Cannot
construct XPath: " + select + " : " + ex.getMessage());
//errors = true;
}
/*if (nodes != null) {
System.out.println("Selected Nodes:" +
nodes.getLength());
} else {
System.out.println("Selected Nodes:0");
}*/
if (nodes != null && nodes.getLength() > 0) {
// I've got hits, return an Array of Nodes
return fpLibrary.NodeList2Array(nodes);
} else {
/* make it */
//System.out.println("Making Nodes");
StringTokenizer st = new StringTokenizer(select,"/");
Node workNode = writeNode;
NodeList kids;
String part = "";
int len;
while (st.hasMoreTokens()) {
part = st.nextToken();
//System.out.println("Looking for:" + part);
kids = workNode.getChildNodes();
found = false;
len = kids.getLength();
//System.out.println("Children:" + len);
for (int i = 0; i < len ; i++) {
//System.out.println("OK 6");
Node n = kids.item(i);
//System.out.println("Looking at:"+
n.getNodeName());
if (n.getNodeName().equals(part)) {
workNode = n;
//System.out.println("found =
true");
found = true;
break;
}
}
}
if (found == false) {
//System.out.println("createElement");
//System.out.println((workDoc!=null) ? "OK":
"SHIT!");
part = (part=="")?select:part;
e = workDoc.createElement(part);
//System.out.println("appendChild");
workNode.appendChild(workDoc.createTextNode("\n\t"));
workNode.appendChild(e);
}
}
//System.out.println("Done");
return e;
}
public Node parseStringInto(Document doc, Node cNode, String val,
Hashtable errors) {
DOMParser p = new DOMParser();
try {
//System.out.println("Writing:" + val);
p.parse(new InputSource(new StringReader(val)));
} catch (Exception ex) {
fpLibrary.reportError(cNode, errorNode, errors, "Cannot
Parse: " + ex.getMessage());
ex.printStackTrace();
return null;
}
return XSPUtil.cloneNode(p.getDocument().getDocumentElement(),
doc);
}
public Document loadDocument(File f, Hashtable errors) {
// removed till Xerces 1.1.2 is working
//RevalidatingDOMParser parser = new RevalidatingDOMParser();
DOMParser parser = new DOMParser();
try {
//System.out.println("about to parse Document");
InputSource is = new InputSource(f.toString());
String enc = is.getEncoding();
if (enc != "") {
workEncoding = enc;
}
parser.parse(is);
//System.out.println("parsed Document");
} catch (Exception ex) {
//System.out.println("about to call reportError");
fpLibrary.reportError(errorNode, errorNode, errors,
"Cannot Parse: " + f.toString() + " : " + ex.getMessage());
//System.out.println("reportError called");
ex.printStackTrace();
return null;
}
return parser.getDocument();
}
public boolean notLoaded() {
return (readNode == null);
}
public boolean hasChanged() {
return (changed);
}
}
