org.workin.http.httpclient.v4.handler.response.AbstractResponseHandler.java Source code

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Here is the source code for org.workin.http.httpclient.v4.handler.response.AbstractResponseHandler.java

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/*
 * Copyright 2015 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.
 * 
 * Create Date : 2015-7-8
 */

package org.workin.http.httpclient.v4.handler.response;

import java.io.IOException;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.StatusLine;
import org.apache.http.client.HttpResponseException;
import org.apache.http.client.ResponseHandler;
import org.apache.http.util.EntityUtils;
import org.workin.http.handler.AbstractEncodableHandler;

/**
 * @description ??
 * @author  <a href="mailto:code727@gmail.com">?</a>
 * @version 1.0
 */
public abstract class AbstractResponseHandler<T> extends AbstractEncodableHandler implements ResponseHandler<T> {

    /** ? */
    private String defaultValue;

    public String getDefaultValue() {
        return defaultValue;
    }

    public void setDefaultValue(String defaultValue) {
        this.defaultValue = defaultValue;
    }

    /**
     * @description ??
     * @author <a href="mailto:code727@gmail.com">?</a> 
     * @param response
     * @return
     * @throws IOException
     */
    protected String doResponse(HttpResponse response) throws IOException {
        final StatusLine statusLine = response.getStatusLine();
        final HttpEntity entity = response.getEntity();
        if (statusLine.getStatusCode() >= 300) {
            EntityUtils.consume(entity);
            throw new HttpResponseException(statusLine.getStatusCode(), statusLine.getReasonPhrase());
        }
        return entity != null ? EntityUtils.toString(entity, getEncoding()) : null;
    }

}