org.apache.hadoop.fs.swift.exceptions.SwiftInvalidResponseException.java Source code

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Here is the source code for org.apache.hadoop.fs.swift.exceptions.SwiftInvalidResponseException.java

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/*
 * 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.hadoop.fs.swift.exceptions;

import org.apache.commons.httpclient.HttpMethod;

import java.io.IOException;
import java.net.URI;

/**
 * Exception raised when the HTTP code is invalid. The status code,
 * method name and operation URI are all in the response.
 */
public class SwiftInvalidResponseException extends SwiftConnectionException {

    public final int statusCode;
    public final String operation;
    public final URI uri;
    public final String body;

    public SwiftInvalidResponseException(String message, int statusCode, String operation, URI uri) {
        super(message);
        this.statusCode = statusCode;
        this.operation = operation;
        this.uri = uri;
        this.body = "";
    }

    public SwiftInvalidResponseException(String message, String operation, URI uri, HttpMethod method) {
        super(message);
        this.statusCode = method.getStatusCode();
        this.operation = operation;
        this.uri = uri;
        String bodyAsString;
        try {
            bodyAsString = method.getResponseBodyAsString();
            if (bodyAsString == null) {
                bodyAsString = "";
            }
        } catch (IOException e) {
            bodyAsString = "";
        }
        this.body = bodyAsString;
    }

    public int getStatusCode() {
        return statusCode;
    }

    public String getOperation() {
        return operation;
    }

    public URI getUri() {
        return uri;
    }

    public String getBody() {
        return body;
    }

    /**
     * Override point: title of an exception -this is used in the
     * toString() method.
     * @return the new exception title
     */
    public String exceptionTitle() {
        return "Invalid Response";
    }

    /**
     * Build a description that includes the exception title, the URI,
     * the message, the status code -and any body of the response
     * @return the string value for display
     */
    @Override
    public String toString() {
        StringBuilder msg = new StringBuilder();
        msg.append(exceptionTitle());
        msg.append(": ");
        msg.append(getMessage());
        msg.append("  ");
        msg.append(operation);
        msg.append(" ");
        msg.append(uri);
        msg.append(" => ");
        msg.append(statusCode);
        if (body != null && !body.isEmpty()) {
            msg.append(" : ");
            msg.append(body);
        }

        return msg.toString();
    }
}