froehlich 2002/06/12 09:49:03
Added: src/scratchpad/src/org/apache/cocoon/taglib/jxpath/core
OutTag.java ForEachTag.java
Log:
applied patch from [EMAIL PROTECTED] .
JSP like Tag-Library Implementation
Revision Changes Path
1.1
xml-cocoon2/src/scratchpad/src/org/apache/cocoon/taglib/jxpath/core/OutTag.java
Index: OutTag.java
===================================================================
/*
============================================================================
The Apache Software License, Version 1.1
============================================================================
Copyright (C) 1999-2002 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 "Apache 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.taglib.jxpath.core;
import org.apache.cocoon.jxpath.JXPathCocoonContexts;
import org.apache.cocoon.taglib.VarXMLProducerTagSupport;
import org.apache.commons.jxpath.JXPathContext;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* @author: <a href="mailto:[EMAIL PROTECTED]";>Volker Schmitt</a>
*/
public class OutTag extends VarXMLProducerTagSupport {
private String value;
/*
* @see Tag#doStartTag(String, String, String, Attributes)
*/
public int doStartTag(String namespaceURI, String localName, String qName,
Attributes atts) throws SAXException {
if (value != null) {
//JXPathContext context =
JXPathCocoonContexts.getRequestContext(objectModel);
Object retValue = getVariable(value);
if (retValue != null) {
if (var != null) {
setVariable(var, retValue);
//context.setValue(var, retValue);
//setAttribute(var, retValue);
} else {
char[] charArray = retValue.toString().toCharArray();
this.xmlConsumer.characters(charArray, 0, charArray.length);
}
}
}
return EVAL_BODY;
}
public void setValue(String value) {
this.value = value;
}
/*
* @see Recyclable#recycle()
*/
public void recycle() {
this.value = null;
super.recycle();
}
}
1.1
xml-cocoon2/src/scratchpad/src/org/apache/cocoon/taglib/jxpath/core/ForEachTag.java
Index: ForEachTag.java
===================================================================
/*
============================================================================
The Apache Software License, Version 1.1
============================================================================
Copyright (C) 1999-2002 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 "Apache 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.taglib.jxpath.core;
import java.util.*;
import org.apache.cocoon.jxpath.JXPathCocoonContexts;
import org.apache.cocoon.taglib.IterationTag;
import org.apache.cocoon.taglib.core.ForEachSupport;
import org.apache.cocoon.taglib.core.LoopTag;
import org.apache.commons.jxpath.JXPathContext;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* <p>A handler for <forEach> that accepts attributes as Strings
* and evaluates them as expressions at runtime.</p>
*
* Migration from JSTL1.0
* @see org.apache.taglibs.standard.tag.el.core.ForEachTag
*
* @author: <a href="mailto:[EMAIL PROTECTED]";>Volker Schmitt</a>
*/
public class ForEachTag extends ForEachSupport implements LoopTag, IterationTag {
//*********************************************************************
// 'Private' state (implementation details)
private String begin_; // stores EL-based property
private String end_; // stores EL-based property
private String step_; // stores EL-based property
private String items_; // stores EL-based property
//*********************************************************************
// Constructor
public ForEachTag() {
super();
init();
}
//*********************************************************************
// Tag logic
/* Begins iterating by processing the first item. */
public int doStartTag(String namespaceURI, String localName, String qName,
Attributes atts) throws SAXException {
// evaluate any expressions we were passed, once per invocation
evaluateExpressions();
// chain to the parent implementation
return super.doStartTag(namespaceURI, localName, qName, atts);
}
// Releases any resources we may have (or inherit)
public void recycle() {
init();
super.recycle();
}
//*********************************************************************
// Accessor methods
// for EL-based attribute
public void setBegin(String begin_) {
this.begin_ = begin_;
this.beginSpecified = true;
}
// for EL-based attribute
public void setEnd(String end_) {
this.end_ = end_;
this.endSpecified = true;
}
// for EL-based attribute
public void setStep(String step_) {
this.step_ = step_;
this.stepSpecified = true;
}
public void setItems(String items_) {
this.items_ = items_;
}
//*********************************************************************
// Private (utility) methods
// (re)initializes state (during release() or construction)
private void init() {
// defaults for interface with page author
begin_ = null; // (no expression)
end_ = null; // (no expression)
step_ = null; // (no expression)
items_ = null; // (no expression)
}
/* Evaluates expressions as necessary */
private void evaluateExpressions() throws SAXException {
if (begin_ != null) {
begin = Integer.parseInt(begin_);
}
if (end_ != null) {
end = Integer.parseInt(end_);
}
if (step_ != null) {
step = Integer.parseInt(step_);
}
if (items_ != null) {
rawItems = getVariable(items_);
}
/*
* Note: we don't check for type mismatches here; we assume
* the expression evaluator will return the expected type
* (by virtue of knowledge we give it about what that type is).
* A ClassCastException here is truly unexpected, so we let it
* propagate up.
*/
/*
if (begin_ != null) {
Object r = ExpressionEvaluatorManager.evaluate("begin", begin_,
Integer.class, this, pageContext);
if (r == null)
throw new NullAttributeException("forEach", "begin");
begin = ((Integer) r).intValue();
validateBegin();
}
if (end_ != null) {
Object r = ExpressionEvaluatorManager.evaluate("end", end_,
Integer.class, this, pageContext);
if (r == null)
throw new NullAttributeException("forEach", "end");
end = ((Integer) r).intValue();
validateEnd();
}
if (step_ != null) {
Object r = ExpressionEvaluatorManager.evaluate("step", step_,
Integer.class, this, pageContext);
if (r == null)
throw new NullAttributeException("forEach", "step");
step = ((Integer) r).intValue();
validateStep();
}
if (items_ != null) {
rawItems = ExpressionEvaluatorManager.evaluate("items", items_,
Object.class, this, pageContext);
// use an empty list to indicate "no iteration", if relevant
if (rawItems == null)
rawItems = new ArrayList();
}
*/
}
}
----------------------------------------------------------------------
In case of troubles, e-mail: [EMAIL PROTECTED]
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
