/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.cxf.jaxrs.impl;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.ExceptionMapper;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.logging.FaultListener;
import org.apache.cxf.message.Message;
import org.apache.cxf.phase.PhaseInterceptorChain;
public class WebApplicationExceptionMapper
implements ExceptionMapper<WebApplicationException> {
private static final Logger LOG = LogUtils.getL7dLogger(WebApplicationExceptionMapper.class);
private static final String ERROR_MESSAGE_START = "WebApplicationException has been caught, status: ";
private boolean printStackTrace;
public Response toResponse(WebApplicationException ex) {
Response r = ex.getResponse();
if (r == null) {
r = Response.serverError().build();
}
Message msg = PhaseInterceptorChain.getCurrentMessage();
FaultListener flogger = null;
if (msg != null) {
flogger = (FaultListener)PhaseInterceptorChain.getCurrentMessage()
.getContextualProperty(FaultListener.class.getName());
}
if (flogger != null || LOG.isLoggable(Level.FINE)) {
String errorMessage = buildErrorMessage(r, ex);
boolean doDefault =
flogger != null ? flogger.faultOccurred(ex, errorMessage, msg) : true;
if (doDefault && LOG.isLoggable(Level.FINE)) {
LOG.log(Level.FINE, errorMessage, ex);
}
}
if (printStackTrace) {
LOG.warning(getStackTrace(ex));
}
return r;
}
private String buildErrorMessage(Response r, WebApplicationException ex) {
StringBuilder sb = new StringBuilder();
sb.append(ERROR_MESSAGE_START).append(r.getStatus());
Throwable cause = ex.getCause();
String message = cause == null ? ex.getMessage() : cause.getMessage();
if (message == null && cause != null) {
message = "exception cause class: " + cause.getClass().getName();
}
if (message != null) {
sb.append(", message: ").append(message);
}
return sb.toString();
}
private static String getStackTrace(Exception ex) {
StringWriter sw = new StringWriter();
ex.printStackTrace(new PrintWriter(sw));
return sw.toString();
}
public void setPrintStackTrace(boolean printStackTrace) {
this.printStackTrace = printStackTrace;
}
}