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This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.
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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
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* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
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*/
package com.sun.faces.taglib.jsf_core;
import java.util.Stack;
import java.util.logging.Logger;
import java.util.logging.Level;
import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.component.UIOutput;
import javax.faces.context.FacesContext;
import javax.faces.webapp.UIComponentClassicTagBase;
import javax.faces.webapp.UIComponentELTag;
import javax.servlet.jsp.JspException;
import java.lang.reflect.Method;
import com.sun.faces.util.RequestStateManager;
import com.sun.faces.util.ReflectionUtils;
import com.sun.faces.util.FacesLogger;
import com.sun.faces.RIConstants;
import java.util.Map;
public class SubviewTag extends UIComponentELTag {
private static final Logger LOGGER = FacesLogger.TAGLIB.getLogger();
// ------------------------------------------------------------ Constructors
public SubviewTag() {
super();
}
// ---------------------------------------------------------- Public Methods
public String getComponentType() {
return "javax.faces.NamingContainer";
}
public String getRendererType() {
return null;
}
// ------------------------------------------------------- Protected Methods
protected UIComponent createVerbatimComponentFromBodyContent() {
UIOutput verbatim = (UIOutput)
super.createVerbatimComponentFromBodyContent();
String value = null;
FacesContext ctx = getFacesContext();
Object response = ctx.getExternalContext().getResponse();
// flush out any content above the view tag
Method customFlush = ReflectionUtils.lookupMethod(response.getClass(),
"flushContentToWrappedResponse",
RIConstants.EMPTY_CLASS_ARGS);
Method isBytes = ReflectionUtils.lookupMethod(response.getClass(),
"isBytes",
RIConstants.EMPTY_CLASS_ARGS);
Method isChars = ReflectionUtils.lookupMethod(response.getClass(),
"isChars",
RIConstants.EMPTY_CLASS_ARGS);
Method resetBuffers = ReflectionUtils.lookupMethod(response.getClass(),
"resetBuffers",
RIConstants.EMPTY_CLASS_ARGS);
Method getChars = ReflectionUtils.lookupMethod(response.getClass(),
"getChars",
RIConstants.EMPTY_CLASS_ARGS);
boolean cont = true;
if (isBytes == null) {
cont = false;
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
"jsf.core.taglib.subviewtag.interweaving_failed_isbytes");
}
}
if (isChars == null) {
cont = false;
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
"jsf.core.taglib.subviewtag.interweaving_failed_ischars");
}
}
if (resetBuffers == null) {
cont = false;
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
"jsf.core.taglib.subviewtag.interweaving_failed_resetbuffers");
}
}
if (getChars == null) {
cont = false;
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
"jsf.core.taglib.subviewtag.interweaving_failed_getchars");
}
}
if (customFlush == null) {
cont = false;
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
"jsf.core.taglib.viewtag.interweaving_failed");
}
}
if (cont) {
try {
if ((Boolean) isBytes.invoke(response)) {
customFlush.invoke(response);
} else if ((Boolean) isChars.invoke(response)) {
char[] chars = (char[]) getChars.invoke(response);
if (null != chars && 0 < chars.length) {
if (null != verbatim) {
value = (String) verbatim.getValue();
}
verbatim = super.createVerbatimComponent();
if (null != value) {
verbatim.setValue(value + new String(chars));
} else {
verbatim.setValue(new String(chars));
}
}
}
resetBuffers.invoke(response);
} catch (Exception e) {
throw new FacesException("Response interweaving failed!", e);
}
}
return verbatim;
}
public int doEndTag() throws JspException {
int retValue;
getViewTagStack().pop();
retValue = super.doEndTag();
return retValue;
}
public int doStartTag() throws JspException {
int retValue;
retValue = super.doStartTag();
getViewTagStack().push(this);
return retValue;
}
/**
* @return Stack of UIComponentClassicTagBase instances, each of
* which is a "view" tag. The bottom most element on the stack is
* the ViewTag itself. Subsequent instances are SubviewTag
* instances.
*/
static Stack getViewTagStack() {
FacesContext ctx = FacesContext.getCurrentInstance();
Map stateMap = RequestStateManager.getStateMap(ctx);
//noinspection unchecked
Stack result = (Stack)
stateMap.get(RequestStateManager.VIEWTAG_STACK_ATTR_NAME);
if (result == null) {
result = new Stack();
stateMap.put(RequestStateManager.VIEWTAG_STACK_ATTR_NAME, result);
}
return result;
}
}