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/*
* Copyright 2002-2012 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 org.springframework.web.client;
import java.io.UnsupportedEncodingException;
import java.nio.charset.Charset;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
/**
* Abstract base class for exceptions based on an {@link HttpStatus}.
*
* @author Arjen Poutsma
* @author Chris Beams
* @since 3.0
*/
public abstract class HttpStatusCodeException extends RestClientException {
private static final long serialVersionUID = -5807494703720513267L;
private static final String DEFAULT_CHARSET = "ISO-8859-1";
private final HttpStatus statusCode;
private final String statusText;
private final byte[] responseBody;
private final HttpHeaders responseHeaders;
private final String responseCharset;
/**
* Construct a new instance of {@code HttpStatusCodeException} based on an
* {@link HttpStatus}.
* @param statusCode the status code
*/
protected HttpStatusCodeException(HttpStatus statusCode) {
this(statusCode, statusCode.name(), null, null, null);
}
/**
* Construct a new instance of {@code HttpStatusCodeException} based on an
* {@link HttpStatus} and status text.
* @param statusCode the status code
* @param statusText the status text
*/
protected HttpStatusCodeException(HttpStatus statusCode, String statusText) {
this(statusCode, statusText, null, null, null);
}
/**
* Construct a new instance of {@code HttpStatusCodeException} based on an
* {@link HttpStatus}, status text, and response body content.
* @param statusCode the status code
* @param statusText the status text
* @param responseBody the response body content, may be {@code null}
* @param responseCharset the response body charset, may be {@code null}
* @since 3.0.5
*/
protected HttpStatusCodeException(HttpStatus statusCode,
String statusText,
byte[] responseBody,
Charset responseCharset) {
this(statusCode, statusText, null, responseBody, responseCharset);
}
/**
* Construct a new instance of {@code HttpStatusCodeException} based on an
* {@link HttpStatus}, status text, and response body content.
* @param statusCode the status code
* @param statusText the status text
* @param responseHeaders the response headers, may be {@code null}
* @param responseBody the response body content, may be {@code null}
* @param responseCharset the response body charset, may be {@code null}
* @since 3.1.2
*/
protected HttpStatusCodeException(HttpStatus statusCode, String statusText,
HttpHeaders responseHeaders, byte[] responseBody, Charset responseCharset) {
super(statusCode.value() + " " + statusText);
this.statusCode = statusCode;
this.statusText = statusText;
this.responseHeaders = responseHeaders;
this.responseBody = responseBody != null ? responseBody : new byte[0];
this.responseCharset = responseCharset != null ? responseCharset.name() : DEFAULT_CHARSET;
}
/**
* Return the HTTP status code.
*/
public HttpStatus getStatusCode() {
return this.statusCode;
}
/**
* Return the HTTP status text.
*/
public String getStatusText() {
return this.statusText;
}
/**
* Return the HTTP response headers.
* @since 3.1.2
*/
public HttpHeaders getResponseHeaders() {
return this.responseHeaders;
}
/**
* Return the response body as a byte array.
*
* @since 3.0.5
*/
public byte[] getResponseBodyAsByteArray() {
return responseBody;
}
/**
* Return the response body as a string.
* @since 3.0.5
*/
public String getResponseBodyAsString() {
try {
return new String(responseBody, responseCharset);
}
catch (UnsupportedEncodingException ex) {
// should not occur
throw new InternalError(ex.getMessage());
}
}
}
