/*
* Copyright 2007-2012 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.paoding.rose.web.portal.impl;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.Writer;
import net.paoding.rose.web.portal.Window;
import net.paoding.rose.web.portal.WindowRender;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
*
* @author qieqie
*
*/
public final class NestedWindowRender implements WindowRender {
private static Log logger = LogFactory.getLog(NestedWindowRender.class);
private static WindowRender simpleRender = new SimpleWindowRender();
private WindowRender innerRender;
public NestedWindowRender(WindowRender innerRender) {
setInnerRender(innerRender);
}
public NestedWindowRender() {
}
public void setInnerRender(WindowRender actualRender) {
this.innerRender = actualRender;
}
public WindowRender getInnerRender() {
return innerRender;
}
@Override
public void render(Writer out, Window w) throws IOException {
WindowRender render = this.innerRender;
if (render == null) {
render = simpleRender;
}
if (w instanceof WindowForView) {
w = ((WindowForView) w).getInner();
}
WindowImpl window = (WindowImpl) w;
if (window.getContentLength() >= 0) {
if (logger.isDebugEnabled()) {
logger.debug("rendering window: " + window.getPath() + "; contentLength="
+ window.getContentLength());
}
render.render(out, window);
return;
}
if (logger.isInfoEnabled()) {
logger.info("rendering a unsuccess window: " + window.getPath() + "; contentLength="
+ window.getContentLength() + "; sc=" + window.getStatusCode());
}
if (window.getThrowable() != null) {
writeExceptionAsContent(out, window);
} else if (window.getStatusCode() < 200 || window.getStatusCode() >= 300) {
out.write(window.getPath());
out.write("<br>sc=");
out.write(String.valueOf(window.getStatusCode()));
if (window.getStatusMessage() != null) {
out.write(" ");
out.write(window.getStatusMessage());
}
}
}
private void writeExceptionAsContent(Writer out, WindowImpl window) throws IOException {
out.write(window.getPath());
out.write("<br>");
out.write(String.valueOf(window.getStatusCode()));
if (window.getStatusMessage() != null) {
out.write(" ");
out.write(window.getStatusMessage());
}
out.write("<br>");
out.write("<pre>");
Throwable ex = window.getThrowable();
PrintWriter printWriter = new PrintWriter(out);
ex.printStackTrace(printWriter);
out.write("</pre>");
}
}