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Web Script Framework extraction - allows web scripts to be hosted in a stand-alone presentation tier.

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git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@7437 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
David Caruana
2007-11-26 17:04:44 +00:00
parent 474770e6d5
commit 82134bf1f0
120 changed files with 2228 additions and 12732 deletions
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177
source/java/org/alfresco/web/scripts/jsf/WebScriptJSFResponse.java
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/*
* Copyright (C) 2005-2007 Alfresco Software Limited.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* As a special exception to the terms and conditions of version 2.0 of
* the GPL, you may redistribute this Program in connection with Free/Libre
* and Open Source Software ("FLOSS") applications as described in Alfresco's
* FLOSS exception. You should have recieved a copy of the text describing
* the FLOSS exception, and it is also available here:
* http://www.alfresco.com/legal/licensing
*/
package org.alfresco.web.scripts.jsf;
import java.io.IOException;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.io.Writer;
import javax.faces.component.UIForm;
import javax.faces.context.FacesContext;
import org.alfresco.error.AlfrescoRuntimeException;
import org.alfresco.util.URLEncoder;
import org.alfresco.web.scripts.WebScriptCache;
import org.alfresco.web.scripts.WebScriptResponse;
import org.alfresco.web.ui.common.Utils;
import org.apache.myfaces.shared_impl.renderkit.html.HtmlFormRendererBase;
/**
* Implementation of a WebScript Response for the JSF environment.
*
* @author Kevin Roast
*/
public class WebScriptJSFResponse implements WebScriptResponse
{
private FacesContext fc;
private UIWebScript component;
WebScriptJSFResponse(FacesContext fc, UIWebScript component)
{
this.fc = fc;
this.component = component;
}
/**
* @see org.alfresco.web.scripts.WebScriptResponse#encodeScriptUrl(java.lang.String)
*/
public String encodeScriptUrl(String url)
{
UIForm form = Utils.getParentForm(fc, component);
if (form == null)
{
throw new IllegalStateException("Must nest components inside UIForm to generate form submit!");
}
String fieldId = component.getClientId(fc);
String formClientId = form.getClientId(fc);
StringBuilder buf = new StringBuilder(256);
// dirty - but can't see any other way to convert to a JSF action click...
buf.append("#\" onclick=\"");
buf.append("document.forms[");
buf.append("'");
buf.append(formClientId);
buf.append("'");
buf.append("]['");
buf.append(fieldId);
buf.append("'].value=");
buf.append("'");
// encode the URL to the webscript
buf.append(URLEncoder.encode(url));
buf.append("'");
buf.append(";");
buf.append("document.forms[");
buf.append("'");
buf.append(formClientId);
buf.append("'");
buf.append("].submit();");
buf.append("return false;");
// weak, but this seems to be the way Sun RI/MyFaces do it...
HtmlFormRendererBase.addHiddenCommandParameter(fc, form, fieldId);
return buf.toString();
}
/**
* @see org.alfresco.web.scripts.WebScriptResponse#reset()
*/
public void reset()
{
// nothing to do
}
/**
* @see org.alfresco.web.scripts.WebScriptResponse#getOutputStream()
*/
public OutputStream getOutputStream() throws IOException
{
return fc.getResponseStream();
}
/**
* @see org.alfresco.web.scripts.WebScriptResponse#getWriter()
*/
public Writer getWriter() throws IOException
{
return fc.getResponseWriter();
}
/**
* @see org.alfresco.web.scripts.WebScriptResponse#setStatus(int)
*/
public void setStatus(int status)
{
// makes no sense in the JSF env
}
/**
* @see org.alfresco.web.scripts.WebScriptResponse#setCache()
*/
public void setCache(WebScriptCache cache)
{
// NOTE: not applicable
}
/**
* @see org.alfresco.web.scripts.WebScriptResponse#setContentType(java.lang.String)
*/
public void setContentType(String contentType)
{
// Alfresco JSF framework only supports the default of text-html
}
/* (non-Javadoc)
* @see org.alfresco.web.scripts.WebScriptResponse#getEncodeScriptUrlFunction(java.lang.String)
*/
public String getEncodeScriptUrlFunction(String name)
{
UIForm form = Utils.getParentForm(fc, component);
if (form == null)
{
throw new IllegalStateException("Must nest components inside UIForm to generate form submit!");
}
String fieldId = component.getClientId(fc);
String formClientId = form.getClientId(fc);
HtmlFormRendererBase.addHiddenCommandParameter(fc, form, fieldId);
String func = ENCODE_FUNCTION.replace("$name$", name);
func = func.replace("$formClientId$", formClientId);
func = func.replace("$fieldId$", fieldId);
return Utils.encodeJavascript(func);
}
private static final String ENCODE_FUNCTION =
"{ $name$: function(url) {" +
" var out = '';" +
" out += \"#\\\" onclick=\\\"document.forms['$formClientId$']['$fieldId$'].value='\";" +
" out += escape(url);" +
" out += \"';document.forms['$formClientId$'].submit();return false;\";" +
" return out; } }";
}