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Central module for Tapestry, containing interfaces to the Java
Servlet API and all core services and components.
// Copyright 2006, 2007, 2008, 2009 The Apache Software Foundation
//
// 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 org.apache.tapestry5.corelib.pages;
import org.apache.tapestry5.SymbolConstants;
import org.apache.tapestry5.annotations.ContentType;
import org.apache.tapestry5.annotations.Property;
import org.apache.tapestry5.ioc.annotations.Inject;
import org.apache.tapestry5.ioc.annotations.Symbol;
import org.apache.tapestry5.ioc.internal.util.InternalUtils;
import org.apache.tapestry5.services.ExceptionReporter;
import org.apache.tapestry5.services.Request;
import org.apache.tapestry5.services.Session;
import java.util.List;
import java.util.regex.Pattern;
/**
* Responsible for reporting runtime exceptions. This page is quite verbose and is usually overridden in a production
* application. When {@link org.apache.tapestry5.SymbolConstants#PRODUCTION_MODE} is "true", it is very abbreviated.
*
* @see org.apache.tapestry5.corelib.components.ExceptionDisplay
*/
@ContentType("text/html")
public class ExceptionReport implements ExceptionReporter
{
private static final String PATH_SEPARATOR_PROPERTY = "path.separator";
// Match anything ending in .(something?)path.
private static final Pattern PATH_RECOGNIZER = Pattern.compile("\\..*path$");
@Property
private String attributeName;
@Inject
@Property
private Request request;
@Inject
@Symbol(SymbolConstants.PRODUCTION_MODE)
@Property(write = false)
private boolean productionMode;
@Inject
@Symbol(SymbolConstants.TAPESTRY_VERSION)
@Property(write = false)
private String tapestryVersion;
@Inject
@Symbol(SymbolConstants.APPLICATION_VERSION)
@Property(write = false)
private String applicationVersion;
@Property(write = false)
private Throwable rootException;
@Property
private String propertyName;
private final String pathSeparator = System.getProperty(PATH_SEPARATOR_PROPERTY);
public void reportException(Throwable exception)
{
rootException = exception;
}
public boolean getHasSession()
{
return request.getSession(false) != null;
}
public Session getSession()
{
return request.getSession(false);
}
public Object getAttributeValue()
{
return getSession().getAttribute(attributeName);
}
/**
* Returns a sorted list of system property names.
*/
public List getSystemProperties()
{
return InternalUtils.sortedKeys(System.getProperties());
}
public String getPropertyValue()
{
return System.getProperty(propertyName);
}
public boolean isComplexProperty()
{
return PATH_RECOGNIZER.matcher(propertyName).find() && getPropertyValue().contains(pathSeparator);
}
public String[] getComplexPropertyValue()
{
// Neither : nor ; is a regexp character.
return getPropertyValue().split(pathSeparator);
}
}