org.soitoolkit.commons.mule.mime.MimeUtil.java Source code

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Here is the source code for org.soitoolkit.commons.mule.mime.MimeUtil.java

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/* 
 * Licensed to the soi-toolkit project under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The soi-toolkit project 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.soitoolkit.commons.mule.mime;

import java.io.File;
import java.io.IOException;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.multipart.FilePart;
import org.apache.commons.httpclient.methods.multipart.MultipartRequestEntity;
import org.apache.commons.httpclient.methods.multipart.Part;
import org.apache.commons.httpclient.params.HttpMethodParams;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Various helper methods use for mime related processing
 * 
 * @author Magnus Larsson
 *
 */
public class MimeUtil {

    private final static Logger logger = LoggerFactory.getLogger(MimeUtil.class);

    /**
      * Hidden constructor.
      */
    private MimeUtil() {
        throw new UnsupportedOperationException("Not allowed to create an instance of this class");
    }

    public static String sendFileAsMultipartHttpPost(String targetURL, File targetFile, boolean expectHeader,
            int timeoutMs) {
        return sendFileAsMultipartHttpPost(targetURL, targetFile, targetFile.getName(), expectHeader, timeoutMs);
    }

    public static String sendFileAsMultipartHttpPost(String targetURL, File targetFile, String partName,
            boolean expectHeader, int timeoutMs) {

        logger.debug("Send file {} to url {}", targetFile.getAbsolutePath(), targetURL);

        String response = null;

        PostMethod filePost = new PostMethod(targetURL);

        filePost.getParams().setBooleanParameter(HttpMethodParams.USE_EXPECT_CONTINUE, expectHeader);

        try {

            Part[] parts = { new FilePart(partName, targetFile) };

            filePost.setRequestEntity(new MultipartRequestEntity(parts, filePost.getParams()));

            HttpClient client = new HttpClient();
            client.getHttpConnectionManager().getParams().setConnectionTimeout(timeoutMs);

            int status = client.executeMethod(filePost);

            logger.debug("Send done, http status: {}", status);

            if (status == HttpStatus.SC_OK) {
                response = filePost.getResponseBodyAsString();
                logger.debug("Send done, http response: {}", response);
            } else {
                String errorText = HttpStatus.getStatusText(status);
                throw new RuntimeException("HTTP Error Code: " + status + "HTTP Error Text: " + errorText);
            }

        } catch (IOException e) {
            throw new RuntimeException(e);
        } finally {
            filePost.releaseConnection();
        }

        return response;
    }

}