org.jclouds.chef.handlers.ChefErrorHandler.java Source code

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Here is the source code for org.jclouds.chef.handlers.ChefErrorHandler.java

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/**
 * Licensed to jclouds, Inc. (jclouds) under one or more
 * contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  jclouds 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.jclouds.chef.handlers;

import static com.google.common.base.Throwables.propagate;

import java.io.IOException;

import javax.annotation.Resource;
import javax.inject.Inject;
import javax.inject.Singleton;

import org.jclouds.chef.functions.ParseErrorFromJsonOrReturnBody;
import org.jclouds.http.HttpCommand;
import org.jclouds.http.HttpErrorHandler;
import org.jclouds.http.HttpResponse;
import org.jclouds.http.HttpResponseException;
import org.jclouds.logging.Logger;
import org.jclouds.rest.AuthorizationException;
import org.jclouds.rest.ResourceNotFoundException;

import com.google.common.io.Closeables;

/**
 * This will parse and set an appropriate exception on the command object.
 * 
 * @author Adrian Cole
 * 
 */
@Singleton
public class ChefErrorHandler implements HttpErrorHandler {
    @Resource
    protected Logger logger = Logger.NULL;
    private final ParseErrorFromJsonOrReturnBody errorParser;

    @Inject
    ChefErrorHandler(ParseErrorFromJsonOrReturnBody errorParser) {
        this.errorParser = errorParser;
    }

    public void handleError(HttpCommand command, HttpResponse response) {
        String message = errorParser.apply(response);
        Exception exception = new HttpResponseException(command, response, message);
        try {
            message = message != null ? message
                    : String.format("%s -> %s", command.getCurrentRequest().getRequestLine(),
                            response.getStatusLine());
            switch (response.getStatusCode()) {
            case 401:
            case 403:
                exception = new AuthorizationException(message, exception);
                break;
            case 404:
                if (!command.getCurrentRequest().getMethod().equals("DELETE")) {
                    exception = new ResourceNotFoundException(message, exception);
                }
                break;
            }
        } finally {
            if (response.getPayload() != null) {
                try {
                    Closeables.close(response.getPayload().getInput(), true);
                } catch (IOException e) {
                    throw propagate(e);
                }
            }
            command.setException(exception);
        }
    }

}