martinc 02/02/22 23:10:30
Modified: doc/userGuide struts-html.xml
src/exercise-taglib/org/apache/struts/webapp/exercise
TestBean.java
src/share/org/apache/struts/taglib/html
LocalStrings.properties
web/exercise-taglib html-select.jsp
Added: src/share/org/apache/struts/taglib/html
OptionsCollectionTag.java
Log:
Add new <html:optionsCollection> tag, as discussed last November.
I don't particularly like the tag name, but I couldn't think of anything
better.
Revision Changes Path
1.2 +421 -1 jakarta-struts/doc/userGuide/struts-html.xml
Index: struts-html.xml
===================================================================
RCS file: /home/cvs/jakarta-struts/doc/userGuide/struts-html.xml,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- struts-html.xml 20 Feb 2002 00:41:14 -0000 1.1
+++ struts-html.xml 23 Feb 2002 07:10:30 -0000 1.2
@@ -3430,7 +3430,7 @@
element. This tag can be used multiple times within a single
<code><html:select></code> element, either in conjunction
with or instead of one or more <code><html:option></code>
- elements.</p>
+ or <code><html:optionsCollection></code> elements.</p>
<p>This tag operates in one of two major modes, depending on
whether or not the <code>collection</code> attribute is
@@ -3570,6 +3570,426 @@
<rtexprvalue>true</rtexprvalue>
<info>
CSS stylesheet class to be applied to this HTML element.
+ </info>
+ </attribute>
+ </tag>
+
+ <tag>
+
+ <name>optionsCollection</name>
+ <summary>
+ Render a Collection of Select Options
+ </summary>
+ <tagclass>org.apache.struts.taglib.html.OptionsCollectionTag</tagclass>
+ <bodycontent>empty</bodycontent>
+ <info>
+ <p>Renders a set of HTML <code><option></code> elements,
+ representing possible choices for a <code><select></code>
+ element. This tag can be used multiple times within a single
+ <code><html:select></code> element, either in conjunction
+ with or instead of one or more <code><html:option></code>
+ or <code><html:options></code> elements.</p>
+
+ <p>This tag operates on a collection of beans, where each bean
+ has a <strong>label</strong> property and a <strong>value</strong>
+ property. The actual names of these properties can be configured
+ using the <code>label</code> and <code>value</code> attributes
+ of this tag.</p>
+
+ <p>This tag differs from the <code><html:options></code> tag
+ in that it makes more consistent use of the <code>name</code> and
+ <code>property</code> attributes, and allows the collection to be
+ more easily obtained from the enclosing form bean.</p>
+ </info>
+
+ <attribute>
+ <name>label</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ The property of the bean within the collection which represents
+ the label to be rendered for each option. Defaults to "label".
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>name</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ The attribute name of the bean whose properties are consulted
+ when rendering the current value of this input field. If not
+ specified, the bean associated with the form tag we are nested
+ within is utilized.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>property</name>
+ <required>true</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ The property of the form bean, or the bean specified by the name
+ attribute, that will return the collection of objects to be
+ rendered for these options.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>style</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ CSS styles to be applied to this HTML element.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>styleClass</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ CSS stylesheet class to be applied to this HTML element.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>value</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ The property of the bean within the collection which represents
+ the value to be rendered for each option. Defaults to "value".
+ </info>
+ </attribute>
+ </tag>
+
+ <tag>
+
+ <name>password</name>
+ <summary>
+ Render A Password Input Field
+ </summary>
+ <tagclass>org.apache.struts.taglib.html.PasswordTag</tagclass>
+ <info>
+ Renders an HTML <input> element of type password, populated
+ from the specified value or the specified property of the bean
+ associated with our current form. This tag is only valid when
+ nested inside a form tag body.
+ </info>
+
+ <attribute>
+ <name>accesskey</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ The keyboard character used to move focus immediately to this
+ element.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>alt</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ <p>The alternate text for this element.</p>
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>altKey</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ <p>The message resources key of the alternate text for this
+ element.</p>
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>disabled</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ Set to <code>true</code> if this input field should be
+ disabled.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>indexed</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ Valid only inside of logic:iterate tag.
+ If yes then name of the html tag will be rendered as
+ "id[34].propertyName". Number in brackets will be generated
+ for every iteration and taken from ancestor logic:iterate tag.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>maxlength</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ Maximum number of input characters to accept. [No limit]
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>name</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ The attribute name of the bean whose properties are consulted when
+ rendering the current value of this input field. If not specified,
+ the bean associated with the form tag we are nested within is
utilized.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>onblur</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ JavaScript event handler executed when this element loses input
+ focus.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>onchange</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ JavaScript event handler executed when this element loses input
+ focus and its value has changed.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>onclick</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ JavaScript event handler executed when this element receives a
+ mouse click.
+ </info>
+ </attribute>
+
+
+ <attribute>
+ <name>ondblclick</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ JavaScript event handler executed when this element receives a
+ mouse double click.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>onfocus</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ JavaScript event handler executed when this element receives input
+ focus.
+ </info>
+ </attribute>
+
+
+ <attribute>
+ <name>onkeydown</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ JavaScript event handler executed when this element has focus and a
+ key is depressed.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>onkeypress</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ JavaScript event handler executed when this element has focus and a
+ key is depressed and released.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>onkeyup</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ JavaScript event handler executed when this element has focus and a
+ key is released.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>onmousedown</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ JavaScript event handler executed when this element is under the
mouse
+ pointer and a mouse button is depressed.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>onmousemove</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ JavaScript event handler executed when this element is under the
+ mouse pointer and the pointer is moved.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>onmouseout</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ JavaScript event handler executed when this element was under the
+ mouse pointer but the pointer was moved outside the element.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>onmouseover</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ JavaScript event handler executed when this element was not under
+ the mouse pointer but the pointer is moved inside the element.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>onmouseup</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ JavaScript event handler executed when this element is under the
+ mouse pointer and a mouse button is released.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>property</name>
+ <required>true</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ Name of the request parameter that will be included with this
+ submission, set to the specified value.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>readonly</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ Set to <code>true</code> if this input field should be
+ read only.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>redisplay</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ Boolean flag indicating whether or not existing values
+ will be redisplayed if they exist. Even though the
+ redisplayed value will be shown as asterisks on the
+ visible HTML page, the cleartext of the actual password
+ value will be visible though the "Show Page Source"
+ menu option of the client browser. You may wish to
+ set this value to <code>false</code> on login pages.
+ Defaults to <code>true</code> for consistency with
+ all other form tags that redisplay their contents.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>style</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ CSS styles to be applied to this HTML element.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>styleClass</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ CSS stylesheet class to be applied to this HTML element.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>styleId</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ Identifier to be assigned to this HTML element.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>size</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ Number of character positions to allocate. [Browser default]
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>tabindex</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ The tab order (ascending positive integers) for this element.
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>title</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ <p>The advisory title for this element.</p>
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>titleKey</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ <p>The message resources key for the advisory title
+ for this element.</p>
+ </info>
+ </attribute>
+
+ <attribute>
+ <name>value</name>
+ <required>false</required>
+ <rtexprvalue>true</rtexprvalue>
+ <info>
+ Value of the label to be placed on this button. This value will
+ also be submitted as the value of the specified request parameter.
+ [Body of this tag (if any), or "Cancel"]
</info>
</attribute>
</tag>
1.5 +55 -4
jakarta-struts/src/exercise-taglib/org/apache/struts/webapp/exercise/TestBean.java
Index: TestBean.java
===================================================================
RCS file:
/home/cvs/jakarta-struts/src/exercise-taglib/org/apache/struts/webapp/exercise/TestBean.java,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -r1.4 -r1.5
--- TestBean.java 15 Oct 2001 05:50:10 -0000 1.4
+++ TestBean.java 23 Feb 2002 07:10:30 -0000 1.5
@@ -1,7 +1,7 @@
/*
- * $Header:
/home/cvs/jakarta-struts/src/exercise-taglib/org/apache/struts/webapp/exercise/TestBean.java,v
1.4 2001/10/15 05:50:10 martinc Exp $
- * $Revision: 1.4 $
- * $Date: 2001/10/15 05:50:10 $
+ * $Header:
/home/cvs/jakarta-struts/src/exercise-taglib/org/apache/struts/webapp/exercise/TestBean.java,v
1.5 2002/02/23 07:10:30 martinc Exp $
+ * $Revision: 1.5 $
+ * $Date: 2002/02/23 07:10:30 $
*
* ====================================================================
*
@@ -63,22 +63,73 @@
package org.apache.struts.webapp.exercise;
+import java.util.Collection;
+import java.util.Vector;
import javax.servlet.http.HttpServletRequest;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
+import org.apache.struts.util.LabelValueBean;
/**
* General purpose test bean for Struts custom tag tests.
*
* @author Craig R. McClanahan
- * @version $Revision: 1.4 $ $Date: 2001/10/15 05:50:10 $
+ * @author Martin F N Cooper
+ * @version $Revision: 1.5 $ $Date: 2002/02/23 07:10:30 $
*/
public class TestBean extends ActionForm {
// ------------------------------------------------------------- Properties
+
+
+ /**
+ * A collection property where the elements of the collection are
+ * of type <code>LabelValueBean</code>.
+ */
+ private Collection beanCollection = null;
+
+ public Collection getBeanCollection() {
+ if (beanCollection == null) {
+ Vector entries = new Vector(10);
+
+ entries.add(new LabelValueBean("Label 0", "Value 0"));
+ entries.add(new LabelValueBean("Label 1", "Value 1"));
+ entries.add(new LabelValueBean("Label 2", "Value 2"));
+ entries.add(new LabelValueBean("Label 3", "Value 3"));
+ entries.add(new LabelValueBean("Label 4", "Value 4"));
+ entries.add(new LabelValueBean("Label 5", "Value 5"));
+ entries.add(new LabelValueBean("Label 6", "Value 6"));
+ entries.add(new LabelValueBean("Label 7", "Value 7"));
+ entries.add(new LabelValueBean("Label 8", "Value 8"));
+ entries.add(new LabelValueBean("Label 9", "Value 9"));
+
+ beanCollection = entries;
+ }
+
+ return (beanCollection);
+ }
+
+ public void setBeanCollection(Collection beanCollection) {
+ this.beanCollection = beanCollection;
+ }
+
+
+ /**
+ * A multiple-String SELECT element using a bean collection.
+ */
+ private String[] beanCollectionSelect = { "Value 1", "Value 3",
+ "Value 5" };
+
+ public String[] getBeanCollectionSelect() {
+ return (this.beanCollectionSelect);
+ }
+
+ public void setBeanCollectionSelect(String beanCollectionSelect[]) {
+ this.beanCollectionSelect = beanCollectionSelect;
+ }
/**
1.14 +5 -2
jakarta-struts/src/share/org/apache/struts/taglib/html/LocalStrings.properties
Index: LocalStrings.properties
===================================================================
RCS file:
/home/cvs/jakarta-struts/src/share/org/apache/struts/taglib/html/LocalStrings.properties,v
retrieving revision 1.13
retrieving revision 1.14
diff -u -r1.13 -r1.14
--- LocalStrings.properties 13 Jan 2002 03:38:38 -0000 1.13
+++ LocalStrings.properties 23 Feb 2002 07:10:30 -0000 1.14
@@ -22,6 +22,7 @@
imgTag.type=Object must be of type Map
includeTag.include=Error including page {0}: {1}
includeTag.lookup=Cannot find global forward named {0}
+indexed.noEnclosingIterate=indexed=\"true\" is only valid within an enclosing
iterate tag
iterateTag.iterator=Cannot create iterator for {0}
linkTag.destination=You must specify exactly one of 'forward', 'href', or 'page'
linkTag.forward=Cannot locate global forwarding for {0}
@@ -32,9 +33,11 @@
messageTag.message=Missing message for key {0}
messageTag.resources=Missing resources attribute {0}
multiboxTag.value=You must specify the value attribute or nested tag content
-optionTag.select=Option tag must be nested in a Select tag
+optionsCollectionTag.collection=Failed to obtain specified collection
+optionsCollectionTag.iterator=Cannot create iterator for {0}
+optionsCollectionTag.select=OptionsCollection tag must be nested in a Select tag
optionsTag.enumeration=Cannot create enumeration for {0}
optionsTag.iterator=Cannot create iterator for {0}
optionsTag.select=Options tag must be nested in a Select tag
+optionTag.select=Option tag must be nested in a Select tag
rewrite.url=Cannot create rewrite URL: {0}
-indexed.noEnclosingIterate=indexed=\"true\" is only valid within an enclosing
iterate tag
1.1
jakarta-struts/src/share/org/apache/struts/taglib/html/OptionsCollectionTag.java
Index: OptionsCollectionTag.java
===================================================================
/*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, 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 acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Struts", 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 names without prior written
* permission of the Apache Group.
*
* 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 (INCLUDING, 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. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.struts.taglib.html;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.util.Arrays;
import java.util.Collection;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.Map;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.PageContext;
import javax.servlet.jsp.tagext.TagSupport;
import org.apache.commons.beanutils.PropertyUtils;
import org.apache.struts.util.IteratorAdapter;
import org.apache.struts.util.MessageResources;
import org.apache.struts.util.RequestUtils;
import org.apache.struts.util.ResponseUtils;
/**
* Tag for creating multiple <select> options from a collection. The
* collection may be part of the enclosing form, or may be independent of
* the form. Each element of the collection must expose a 'label' and a
* 'value', the property names of which are configurable by attributes of
* this tag.
* <p>
* The collection may be an array of objects, a Collection, an Enumeration,
* an Iterator, or a Map.
* <p>
* <b>NOTE</b> - This tag requires a Java2 (JDK 1.2 or later) platform.
*
* @author Martin Cooper
* @version $Revision: 1.1 $ $Date: 2002/02/23 07:10:30 $
*/
public class OptionsCollectionTag extends TagSupport {
// ----------------------------------------------------- Instance Variables
/**
* The message resources for this package.
*/
protected static MessageResources messages =
MessageResources.getMessageResources(
Constants.Package + ".LocalStrings");
// ------------------------------------------------------------- Properties
/**
* The name of the bean property containing the label.
*/
protected String label = "label";
public String getLabel() {
return label;
}
public void setLabel(String label) {
this.label = label;
}
/**
* The name of the bean containing the values collection.
*/
protected String name = Constants.BEAN_KEY;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
/**
* The name of the property to use to build the values collection.
*/
protected String property = null;
public String getProperty() {
return property;
}
public void setProperty(String property) {
this.property = property;
}
/**
* The style associated with this tag.
*/
private String style = null;
public String getStyle() {
return style;
}
public void setStyle(String style) {
this.style = style;
}
/**
* The named style class associated with this tag.
*/
private String styleClass = null;
public String getStyleClass() {
return styleClass;
}
public void setStyleClass(String styleClass) {
this.styleClass = styleClass;
}
/**
* The name of the bean property containing the value.
*/
protected String value = "value";
public String getValue() {
return value;
}
public void setValue(String value) {
this.value = value;
}
// --------------------------------------------------------- Public Methods
/**
* Process the start of this tag.
*
* @exception JspException if a JSP exception has occurred
*/
public int doStartTag() throws JspException {
// Acquire the select tag we are associated with
SelectTag selectTag =
(SelectTag)pageContext.getAttribute(Constants.SELECT_KEY);
if (selectTag == null) {
JspException e = new JspException(
messages.getMessage("optionsCollectionTag.select"));
RequestUtils.saveException(pageContext, e);
throw e;
}
// Acquire the collection containing our options
Object collection = RequestUtils.lookup(pageContext,
name, property, null);
if (collection == null) {
JspException e = new JspException(
messages.getMessage("optionsCollectionTag.collection"));
RequestUtils.saveException(pageContext, e);
throw e;
}
// Acquire an iterator over the options collection
Iterator iter = getIterator(collection);
StringBuffer sb = new StringBuffer();
// Render the options
while (iter.hasNext()) {
Object bean = iter.next();
Object beanLabel = null;;
Object beanValue = null;
// Get the label for this option
try {
beanLabel = PropertyUtils.getProperty(bean, label);
if (beanLabel == null) {
beanLabel = "";
}
} catch (IllegalAccessException e) {
JspException jspe = new JspException(
messages.getMessage("getter.access", label, bean));
RequestUtils.saveException(pageContext, jspe);
throw jspe;
} catch (InvocationTargetException e) {
Throwable t = e.getTargetException();
JspException jspe = new JspException(
messages.getMessage("getter.result", label,
t.toString()));
RequestUtils.saveException(pageContext, jspe);
throw jspe;
} catch (NoSuchMethodException e) {
JspException jspe = new JspException(
messages.getMessage("getter.method", label, bean));
RequestUtils.saveException(pageContext, jspe);
throw jspe;
}
// Get the value for this option
try {
beanValue = PropertyUtils.getProperty(bean, value);
if (beanValue == null) {
beanValue = "";
}
} catch (IllegalAccessException e) {
JspException jspe = new JspException(
messages.getMessage("getter.access", value, bean));
RequestUtils.saveException(pageContext, jspe);
throw jspe;
} catch (InvocationTargetException e) {
Throwable t = e.getTargetException();
JspException jspe = new JspException(
messages.getMessage("getter.result", value,
t.toString()));
RequestUtils.saveException(pageContext, jspe);
throw jspe;
} catch (NoSuchMethodException e) {
JspException jspe = new JspException(
messages.getMessage("getter.method", value, bean));
RequestUtils.saveException(pageContext, jspe);
throw jspe;
}
String stringLabel = beanLabel.toString();
String stringValue = beanValue.toString();
// Render this option
addOption(sb, stringLabel, stringValue,
selectTag.isMatched(stringValue));
}
// Render this element to our writer
ResponseUtils.write(pageContext, sb.toString());
return SKIP_BODY;
}
/**
* Release any acquired resources.
*/
public void release() {
super.release();
label = null;
name = null;
property = null;
style = null;
styleClass = null;
value = null;
}
// ------------------------------------------------------ Protected Methods
/**
* Add an option element to the specified StringBuffer based on the
* specified parameters.
*
* @param sb StringBuffer accumulating our results
* @param value Value to be returned to the server for this option
* @param label Value to be shown to the user for this option
* @param matched Should this value be marked as selected?
*/
protected void addOption(StringBuffer sb, String label, String value,
boolean matched) {
sb.append("<option value=\"");
sb.append(value);
sb.append("\"");
if (matched)
sb.append(" selected=\"selected\"");
if (style != null) {
sb.append(" style=\"");
sb.append(style);
sb.append("\"");
}
if (styleClass != null) {
sb.append(" class=\"");
sb.append(styleClass);
sb.append("\"");
}
sb.append(">");
sb.append(ResponseUtils.filter(label));
sb.append("</option>\r\n");
}
/**
* Return an iterator for the option labels or values, based on our
* configured properties.
*
* @param name Name of the bean attribute (if any)
* @param property Name of the bean property (if any)
*
* @exception JspException if an error occurs
*/
protected Iterator getIterator(Object collection)
throws JspException {
if (collection.getClass().isArray())
collection = Arrays.asList((Object[]) collection);
if (collection instanceof Collection)
return (((Collection)collection).iterator());
else if (collection instanceof Iterator)
return ((Iterator)collection);
else if (collection instanceof Map)
return (((Map)collection).entrySet().iterator());
else if (collection instanceof Enumeration)
return(new IteratorAdapter((Enumeration)collection));
else
throw new JspException(
messages.getMessage("optionsCollectionTag.iterator",
collection.toString()));
}
}
1.6 +10 -1 jakarta-struts/web/exercise-taglib/html-select.jsp
Index: html-select.jsp
===================================================================
RCS file: /home/cvs/jakarta-struts/web/exercise-taglib/html-select.jsp,v
retrieving revision 1.5
retrieving revision 1.6
diff -u -r1.5 -r1.6
--- html-select.jsp 21 Feb 2002 05:48:10 -0000 1.5
+++ html-select.jsp 23 Feb 2002 07:10:30 -0000 1.6
@@ -79,10 +79,19 @@
</tr>
<tr>
- <th align="right">Multiple Select From A Collection:</th>
+ <th align="right">Multiple Select From A Collection (Using
<html:options>):</th>
<td align="left">
<html:select property="collectionSelect" size="10" multiple="true">
<html:options collection="options" property="value" labelProperty="label"/>
+ </html:select>
+ </td>
+ </tr>
+
+ <tr>
+ <th align="right">Multiple Select From A Collection (Using
<html:optionsCollection>):</th>
+ <td align="left">
+ <html:select property="beanCollectionSelect" size="10" multiple="true">
+ <html:optionsCollection name="testbean" property="beanCollection"/>
</html:select>
</td>
</tr>
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