/*
* JBoss, a division of Red Hat
* Copyright 2006, Red Hat Middleware, LLC, and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.gatein.pc.portlet.impl.jsr286.taglib;
import org.gatein.pc.portlet.impl.jsr168.taglib.GenerateURLTag;
import org.gatein.pc.portlet.impl.jsr168.api.PortletRequestImpl;
import org.gatein.pc.portlet.impl.jsr168.api.ResourceURLImpl;
import javax.portlet.PortletURL;
import javax.portlet.BaseURL;
import java.util.Map;
import java.util.HashMap;
import java.util.ArrayList;
import java.util.List;
import java.io.StringWriter;
/**
* @author <a href="mailto:boleslaw dot dawidowicz at redhat anotherdot com">Boleslaw Dawidowicz</a>
* @version : 0.1 $
*/
public abstract class GenerateURL286Tag extends GenerateURLTag
{
private Map<String, List> properties;
private String escapeXml;
private String copyCurrentRenderParameters;
private StringWriter stringWriter;
public String getEscapeXml()
{
return escapeXml;
}
public void setEscapeXml(String escapeXml)
{
this.escapeXml = escapeXml;
}
public String getCopyCurrentRenderParameters()
{
return copyCurrentRenderParameters;
}
public void setCopyCurrentRenderParameters(String copyCurrentRenderParameters)
{
this.copyCurrentRenderParameters = copyCurrentRenderParameters;
}
protected void setCopyCurrentRenderParameters(PortletURL portletURL)
{
//default is false
if (copyCurrentRenderParameters != null && copyCurrentRenderParameters.equalsIgnoreCase("true"))
{
// Parameters values specified in tag need to be pre-pended
// Clone the map
Map<String, String[]> parameters = new HashMap<String, String[]>(portletURL.getParameterMap());
Map<String, String[]> privateParams = getPortletRequest().getPrivateParameterMap();
for(String name : privateParams.keySet())
{
if (!parameters.containsKey(name))
{
parameters.put(name, privateParams.get(name));
}
else
{
String[] val1 = parameters.get(name);
String[] val2 = privateParams.get(name);
String[] newVal = new String[val1.length + val2.length];
for (int i = 0; i < val1.length; i++)
{
newVal[i] = val1[i];
}
for (int i = 0; i < val2.length; i++)
{
newVal[val1.length + i] = val2[i];
}
parameters.put(name, newVal);
}
}
portletURL.setParameters(parameters);
}
}
protected void removeTagParametersWithEmptyValue(PortletURL portletURL)
{
// Introduced in jsr 286 - the empty param tag value removes the parameter
Map<String, String[]> parameters = new HashMap<String, String[]>(portletURL.getParameterMap());
Map<String, String[]> tagParams = getURLParameters();
for (String name : tagParams.keySet())
{
String[] values = tagParams.get(name);
if (values.length > 0 && values[values.length - 1].equals(""))
{
parameters.remove(name);
}
}
portletURL.setParameters(parameters);
}
protected boolean isEscapeXml()
{
boolean def = true;
String[] runtime = getConfig().getContainerRuntimeOptions().get("javax.portlet.escapeXml");
if (runtime != null && runtime.length > 0)
{
if (runtime[0].equalsIgnoreCase("true"))
{
def = true;
}
else if (runtime[0].equalsIgnoreCase("false"))
{
def = false;
}
}
if(escapeXml != null)
{
return Boolean.parseBoolean(escapeXml);
}
return def;
}
/**
* Add a named property. Cater for multiple properties with the same name by storing them in a list.
*
* @param name
* @param value
*/
public void addProperty(String name, String value)
{
List<String> l = properties.get(name);
if (l == null)
{
l = new ArrayList<String>(5);
properties.put(name, l);
}
l.add(value);
}
protected void clearPreviousTag()
{
stringWriter = new StringWriter();
properties = new HashMap<String, List>();
super.clearPreviousTag();
}
protected BaseURL getBasePortletEnvironmentAndURL()
{
PortletRequestImpl preq = (PortletRequestImpl)getPortletRequest();
if ("resource".equals(getTypeValue()))
{
return ResourceURLImpl.createResourceURL(getInvocation(), preq);
}
else
{
return super.getBasePortletEnvironmentAndURL();
}
}
protected BaseURL generateURL() throws Exception
{
BaseURL newPortletURL = super.generateURL();
if (!properties.isEmpty())
{
for (String name : properties.keySet())
{
List<String> props = properties.get(name);
for (String prop : props)
{
newPortletURL.setProperty(name, prop);
}
}
}
return newPortletURL;
}
protected void writeURL(BaseURL portletURL) throws Exception
{
// If a variable was given in the tag to be set in the pageContext,
// do that. Otherwise, just write out the URL to the page.
portletURL.write(stringWriter, isEscapeXml());
if (getVar() != null)
{
pageContext.setAttribute(getVar(), stringWriter.toString());
}
else
{
pageContext.getOut().print(stringWriter.toString());
}
}
}