dims 01/09/07 16:00:28
Modified: src/org/apache/cocoon/components/jsp JSPEngineImpl.java
webapp sitemap.xmap
webapp/docs/samples samples.xml
Added: src/org/apache/cocoon/components/jsp JSPReader.java
webapp/docs/samples/jsp welcome.jsp
Log:
"JSPReader & sample" from Piroumian, Konstantin
Revision Changes Path
1.4 +16 -16
xml-cocoon2/src/org/apache/cocoon/components/jsp/JSPEngineImpl.java
Index: JSPEngineImpl.java
===================================================================
RCS file:
/home/cvs/xml-cocoon2/src/org/apache/cocoon/components/jsp/JSPEngineImpl.java,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -r1.3 -r1.4
--- JSPEngineImpl.java 2001/08/20 13:55:10 1.3
+++ JSPEngineImpl.java 2001/09/07 23:00:28 1.4
@@ -20,8 +20,8 @@
import org.apache.avalon.framework.logger.AbstractLoggable;
import org.apache.avalon.framework.parameters.Parameters;
import org.apache.avalon.framework.thread.ThreadSafe;
-import org.apache.cocoon.components.parser.Parser;
-import org.xml.sax.SAXException;
+//import org.apache.cocoon.components.parser.Parser;
+//import org.xml.sax.SAXException;
import javax.servlet.RequestDispatcher;
import javax.servlet.Servlet;
@@ -45,12 +45,12 @@
/**
* Allows JSP to be used as a generator. Builds upon the JSP servlet
- * functionality - overrides the output method and returns the byte(s).
+ * functionality - overrides the output method and returns the byte(s).
*
* @author <a href="mailto:[EMAIL PROTECTED]";>Davanum Srinivas</a>
- * @version CVS $Revision: 1.3 $ $Date: 2001/08/20 13:55:10 $
+ * @version CVS $Revision: 1.4 $ $Date: 2001/09/07 23:00:28 $
*/
-public class JSPEngineImpl extends AbstractLoggable
+public class JSPEngineImpl extends AbstractLoggable
implements JSPEngine, Contextualizable, Composable, Configurable, ThreadSafe,
Disposable {
/** The Servlet Include Path */
@@ -70,9 +70,9 @@
}
/**
- * Set the sitemap-provided configuration.
+ * Set the sitemap-provided configuration.
* @param conf The configuration information
- * @exception ConfigurationException
+ * @exception ConfigurationException
*/
public void configure(Configuration conf) throws ConfigurationException {
Parameters params = Parameters.fromConfiguration(conf);
@@ -94,15 +94,15 @@
* execute the JSP and return the output
*
* @param context The Servlet Context
- * @exception IOException
- * @exception ServletException
- * @exception SAXException
- * @exception Exception
+ * @exception IOException
+ * @exception ServletException
+ * @exception SAXException
+ * @exception Exception
*/
- public byte[] executeJSP(String url, HttpServletRequest httpRequest,
HttpServletResponse httpResponse, ServletContext context)
- throws IOException, ServletException, SAXException, Exception {
+ public byte[] executeJSP(String url, HttpServletRequest httpRequest,
HttpServletResponse httpResponse, ServletContext context)
+ throws IOException, ServletException/*, SAXException*/, Exception {
- Parser parser = null;
+// Parser parser = null;
byte[] bytes = null;
MyServletRequest request = new MyServletRequest(httpRequest, url);
@@ -115,7 +115,7 @@
jsp.service(request, response);
bytes = response.toByteArray();
- ByteArrayInputStream input = new ByteArrayInputStream(bytes);
+// ByteArrayInputStream input = new ByteArrayInputStream(bytes);
// clean up
jsp.destroy();
@@ -138,7 +138,7 @@
ServletContext c;
public config(ServletContext c) {this.c = c; }
- public String getServletName() { return "JspGenerator"; }
+ public String getServletName() { return "JSPEngineImpl"; }
public Enumeration getInitParameterNames()
{ return c.getInitParameterNames(); }
public ServletContext getServletContext() { return c; }
1.1 xml-cocoon2/src/org/apache/cocoon/components/jsp/JSPReader.java
Index: JSPReader.java
===================================================================
/*****************************************************************************
* Copyright (C) The Apache Software Foundation. All rights reserved. *
* ------------------------------------------------------------------------- *
* This software is published under the terms of the Apache Software License *
* version 1.1, a copy of which has been included with this distribution in *
* the LICENSE file. *
*****************************************************************************/
package org.apache.cocoon.reading;
import org.apache.avalon.excalibur.pool.Poolable;
import org.apache.avalon.framework.component.ComponentManager;
import org.apache.avalon.framework.component.Composable;
import org.apache.avalon.framework.parameters.Parameters;
import org.apache.cocoon.ProcessingException;
import org.apache.cocoon.environment.http.HttpEnvironment;
import org.apache.cocoon.environment.Source;
import org.apache.cocoon.environment.SourceResolver;
import org.apache.cocoon.components.jsp.JSPEngine;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.net.MalformedURLException;
/**
* @author <a href="mailto:[EMAIL PROTECTED]";>Konstantin Piroumian</a>
* @version CVS $Revision: 1.1 $ $Date: 2001/09/07 23:00:28 $
*
* The <code>JSPReader</code> component is used to serve JSP page output data
* in a sitemap pipeline.
*/
public class JSPReader extends AbstractReader
implements Composable, Poolable{
private ComponentManager manager;
public void compose (ComponentManager manager) {
this.manager = manager;
}
/** Contextualize this class
public void contextualize(Context context) throws ContextException {
if (this.contextDir == null) {
org.apache.cocoon.environment.Context ctx =
(org.apache.cocoon.environment.Context)
context.get(Constants.CONTEXT_ENVIRONMENT_CONTEXT);
try {
this.contextDir = new
File(ctx.getRealPath("/")).toURL().toExternalForm();
getLogger().debug("JSPReader: Context directory is " +
this.contextDir);
} catch (MalformedURLException e) {
getLogger().error("JSPReader: Could not get context directory", e);
throw new ContextException("JSPReader: Could not get context
directory", e);
}
}
}
*/
/**
* Generates the output from JSP page.
*/
public void generate() throws IOException, ProcessingException {
// ensure that we are running in a servlet environment
HttpServletResponse httpResponse =
(HttpServletResponse)this.objectModel.get(HttpEnvironment.HTTP_RESPONSE_OBJECT);
HttpServletRequest httpRequest =
(HttpServletRequest)this.objectModel.get(HttpEnvironment.HTTP_REQUEST_OBJECT);
ServletContext httpContext =
(ServletContext)this.objectModel.get(HttpEnvironment.HTTP_SERVLET_CONTEXT);
if (httpResponse == null || httpRequest == null || httpContext == null) {
throw new ProcessingException("JSPReader can be used only in a
Servlet/JSP environment");
}
JSPEngine engine = null;
Source src = null;
try {
// KP: A hacky way of source resolving.
// Why context:// protocol returns not a string in URL format,
// but a system-dependent path with 'file:' prefix?
String contextDir = new
File(httpContext.getRealPath("/")).toURL().toExternalForm();
src = this.resolver.resolve(this.source);
String url = src.getSystemId();
if(url.startsWith(contextDir)) {
// File is located under contextDir, using relative file name
url = url.substring(contextDir.length());
}
if (url.startsWith("file:")) {
// we need a relative path
url = url.substring(5);
}
getLogger().debug("JSPReader executing JSP:" + url);
engine = (JSPEngine)this.manager.lookup(JSPEngine.ROLE);
byte[] bytes = engine.executeJSP(url, httpRequest, httpResponse,
httpContext);
byte[] buffer = new byte[8192];
int length = -1;
ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
while ((length = bais.read(buffer)) > -1) {
out.write(buffer, 0, length);
}
bais.close();
bais = null;
out.flush();
//
} catch (ServletException e) {
getLogger().debug("ServletException in JSPReader.generate()", e);
getLogger().debug("Embedded ServletException JSPReader.generate()",
e.getRootCause());
throw new ProcessingException("ServletException in
JSPReader.generate()",e.getRootCause());
} catch (IOException e) {
getLogger().debug("IOException in JSPReader.generate()", e);
throw new ProcessingException("IOException JSPReader.generate()",e);
} catch (ProcessingException e) {
throw e;
} catch (Exception e) {
getLogger().debug("Exception in JSPReader.generate()", e);
throw new ProcessingException("Exception JSPReader.generate()",e);
} finally {
if (src != null) src.recycle();
if (engine != null) this.manager.release(engine);
}
}
}
1.50 +5 -0 xml-cocoon2/webapp/sitemap.xmap
Index: sitemap.xmap
===================================================================
RCS file: /home/cvs/xml-cocoon2/webapp/sitemap.xmap,v
retrieving revision 1.49
retrieving revision 1.50
diff -u -r1.49 -r1.50
--- sitemap.xmap 2001/09/06 20:56:21 1.49
+++ sitemap.xmap 2001/09/07 23:00:28 1.50
@@ -44,6 +44,7 @@
<map:readers default="resource">
<map:reader name="resource"
src="org.apache.cocoon.reading.ResourceReader"/>
+ <map:reader name="jsp" src="org.apache.cocoon.reading.JSPReader"/>
</map:readers>
<map:serializers default="html">
@@ -459,6 +460,10 @@
<map:generate type="script" src="docs/samples/scripts/{1}"/>
<map:transform src="stylesheets/page/simple-page2html.xsl"/>
<map:serialize type="html"/>
+ </map:match>
+
+ <map:match pattern="jsp/*.htm">
+ <map:read type="jsp" src="/docs/samples/jsp/{1}.jsp" mime-type="text/html" />
</map:match>
<map:match pattern="jsp/*">
1.14 +3 -0 xml-cocoon2/webapp/docs/samples/samples.xml
Index: samples.xml
===================================================================
RCS file: /home/cvs/xml-cocoon2/webapp/docs/samples/samples.xml,v
retrieving revision 1.13
retrieving revision 1.14
diff -u -r1.13 -r1.14
--- samples.xml 2001/09/06 20:56:21 1.13
+++ samples.xml 2001/09/07 23:00:28 1.14
@@ -125,6 +125,9 @@
<sample name="JSP Generator" href="jsp/hello">
An example of the JSPGenerator producing XML out of using JSP.
</sample>
+ <sample name="JSP Reader" href="jsp/welcome.htm">
+ An example of the JSPReader producing HTML out of using JSP.
+ </sample>
<sample name="Python Generator" href="scripts/hello.py">
An example of the ScriptGenerator producing XML out of a Python program.
You should make sure that you have the Jython interpreter (jython.jar) from
1.1 xml-cocoon2/webapp/docs/samples/jsp/welcome.jsp
Index: welcome.jsp
===================================================================
<%@ page import="java.util.*" %>
<%
response.setHeader("Expires", "0");
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>JSPreader test</title>
<style type="text/css">
BODY {background-color: #FFFFFF; color: #660000; font-family: Verdana, Helvetica,
Arial; }
</style>
</head>
<body>
<h3>This is a dynamic output from the JSPReader</h3>
<h4>Current time: <%=new Date()%></h4>
<hr noshade size="1">
<small><a href="..">Back to samples</a></small>
</body>
</html>
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