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Posted to cvs@cocoon.apache.org by br...@apache.org on 2003/07/23 17:22:07 UTC
cvs commit: cocoon-2.1/src/blocks/woody/java/org/apache/cocoon/woody/binding InsertBeanJXPathBinding.java InsertBeanJXPathBindingBuilder.java
bruno 2003/07/23 08:22:07
Added: src/blocks/woody/java/org/apache/cocoon/woody/binding
InsertBeanJXPathBinding.java
InsertBeanJXPathBindingBuilder.java
Log:
initial commit
Revision Changes Path
1.1 cocoon-2.1/src/blocks/woody/java/org/apache/cocoon/woody/binding/InsertBeanJXPathBinding.java
Index: InsertBeanJXPathBinding.java
===================================================================
/*
============================================================================
The Apache Software License, Version 1.1
============================================================================
Copyright (C) 1999-2003 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
apache@apache.org.
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 <st...@apache.org>. For more information on the Apache
Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.cocoon.woody.binding;
import java.lang.reflect.Method;
import org.apache.cocoon.woody.formmodel.Widget;
import org.apache.commons.jxpath.AbstractFactory;
import org.apache.commons.jxpath.JXPathContext;
import org.apache.commons.jxpath.Pointer;
/**
* InsertBeanJXPathBinding provides an implementation of a {@link Binding}
* that inserts a new instance of the specified bean (classname) into the target
* back-end model upon save.
* <p>
* NOTES: <ol>
* <li>This Binding does not perform any actions when loading.</li>
* </ol>
*/
public class InsertBeanJXPathBinding extends JXPathBindingBase {
private final String className;
private final String addMethodName;
/**
* Constructs InsertBeanJXPathBinding
* @param className
*/
public InsertBeanJXPathBinding(String className, String addMethod) {
this.className = className;
this.addMethodName = addMethod;
}
/**
* Do-nothing implementation of the interface.
*/
public void loadFormFromModel(Widget frmModel, JXPathContext jxpc) {
// doesn't do a thing when loading.
}
/**
* Registers a JXPath Factory on the JXPath Context.
* <p>
* The factory will insert a new instance of the specified bean (classname)
* inside this object into the target objectmodel.
*/
public void saveFormToModel(Widget frmModel, JXPathContext jxpc) {
jxpc.setFactory(new AbstractFactory() {
public boolean createObject(
JXPathContext context,
Pointer pointer,
Object parent,
String name,
int index) {
try {
Object[] args = new Object[1];
Class[] argTypes = new Class[1];
// instantiate the new object
argTypes[0] =
Class.forName(InsertBeanJXPathBinding.this.className);
args[0] = argTypes[0].newInstance();
// lookup the named method on the parent
Method addMethod =
parent.getClass().getMethod(
InsertBeanJXPathBinding.this.addMethodName,
argTypes);
// invoke this method with this new beast.
addMethod.invoke(parent, args);
InsertBeanJXPathBinding.this.getLogger().debug(
"InsertBean jxpath factory executed for index."
+ index);
return true;
} catch (Exception e) {
InsertBeanJXPathBinding.this.getLogger().warn("InsertBean jxpath factory failed.", e);
return false;
}
}
});
getLogger().debug(
"done registered factory for inserting node -- " + toString());
}
public String toString() {
return "InsertBeanJXPathBinding [for class "
+ this.className
+ " to addMethod "
+ this.addMethodName
+ "]";
}
}
1.1 cocoon-2.1/src/blocks/woody/java/org/apache/cocoon/woody/binding/InsertBeanJXPathBindingBuilder.java
Index: InsertBeanJXPathBindingBuilder.java
===================================================================
/*
============================================================================
The Apache Software License, Version 1.1
============================================================================
Copyright (C) 1999-2003 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
apache@apache.org.
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 <st...@apache.org>. For more information on the Apache
Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.cocoon.woody.binding;
import org.apache.cocoon.woody.binding.JXPathBindingManager.Assistant;
import org.apache.cocoon.woody.util.DomHelper;
import org.w3c.dom.Element;
/**
* InsertBeanJXPathBindingBuilder provides a helper class for the Factory
* implemented in {@link JXPathBindingManager} that helps construct the
* actual {@link InsertBeanJXPathBinding} out of the configuration in the
* provided configElement which looks like:
* <pre><code>
* <wb:insert-bean classname="..child-bean-class.." addmethod="..method-to-add.."/>
* </code></pre>
*/
public class InsertBeanJXPathBindingBuilder
extends JXpathBindingBuilderBase {
/**
* Creates an instance of {@link InsertBeanJXPathBinding} configured
* with the nested template of the bindingElm.
*/
public JXPathBindingBase buildBinding(
Element bindingElm,
Assistant assistant) {
try {
String className =
DomHelper.getAttribute(bindingElm, "classname");
String addMethod =
DomHelper.getAttribute(bindingElm, "addmethod");
return new InsertBeanJXPathBinding(className, addMethod);
} catch (Exception e) {
getLogger().warn("Error building a insert-bean binding.", e);
return null;
}
}
}