com.ironiacorp.http.impl.httpclient3.PostRequest.java Source code

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Here is the source code for com.ironiacorp.http.impl.httpclient3.PostRequest.java

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/*
 * Copyright (C) 2010 Marco Aurlio Graciotto Silva <magsilva@ironiacorp.com>
 * 
 * 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 com.ironiacorp.http.impl.httpclient3;

import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Callable;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.methods.PostMethod;

import com.ironiacorp.http.HttpJob;
import com.ironiacorp.http.HttpMethodResult;

public class PostRequest implements Callable<HttpJob> {
    private HttpJob job;

    private HttpClient client;

    private List<NameValuePair> parameters;

    public PostRequest(HttpClient client, HttpJob job) {
        this.client = client;
        this.job = job;
        this.parameters = new ArrayList<NameValuePair>(5);
        setParameters();
    }

    private void setParameters() {
        for (String name : job.getParameters().keySet()) {
            Object value = job.getParameter(name);
            NameValuePair pair = new NameValuePair(name, value.toString());
            if (parameters.contains(pair)) {
                parameters.remove(pair);
            }
            parameters.add(pair);
        }
    }

    public HttpJob call() {
        URI uri = (URI) job.getUri();
        PostMethod postMethod = new PostMethod(uri.toString());
        HttpMethodResult result = new HttpMethodResult();
        postMethod.setRequestBody(parameters.toArray(new NameValuePair[0]));

        try {
            int statusCode = client.executeMethod(postMethod);

            if (statusCode != HttpStatus.SC_OK) {
                System.err.println("Method failed: " + postMethod.getStatusLine());
            }

            InputStream inputStream = postMethod.getResponseBodyAsStream();

            if (inputStream != null) {
                result.setContent(inputStream);
                result.setStatusCode(statusCode);
                job.setResult(result);
            }
        } catch (HttpException e) {
        } catch (IOException e) {
            // In case of an IOException the connection will be released
            // back to the connection manager automatically
        } catch (RuntimeException ex) {
            // In case of an unexpected exception you may want to abort
            // the HTTP request in order to shut down the underlying
            // connection and release it back to the connection manager.
            postMethod.abort();
        }

        return job;
    }
}