net.formio.portlet.MockPortletRequests.java Source code

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Here is the source code for net.formio.portlet.MockPortletRequests.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 net.formio.portlet;

import java.io.ByteArrayOutputStream;
import java.io.IOException;

import org.apache.commons.fileupload.util.Streams;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.multipart.ByteArrayPartSource;
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.springframework.mock.web.portlet.MockMultipartActionRequest;

/**
 * Creates mock portlet requests.
 * @author Radek Beran
 */
public final class MockPortletRequests {

    /**
     * Creates new portlet request that contains given resource as multi part.
     * @param paramName
     * @param resourceName
     * @return
     */
    public static MockMultipartActionRequest newRequest(String paramName, String resourceName, String mimeType) {
        try {
            MockMultipartActionRequest request = new MockMultipartActionRequest();
            // Load resource being uploaded
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            Streams.copy(MockPortletRequests.class.getResourceAsStream(resourceName), bos, true);
            byte[] fileContent = bos.toByteArray();

            // Create part & entity from resource
            Part[] parts = new Part[] { new FilePart(paramName, new ByteArrayPartSource(resourceName, fileContent),
                    mimeType, (String) null) };
            MultipartRequestEntity multipartRequestEntity = new MultipartRequestEntity(parts,
                    new PostMethod().getParams());

            ByteArrayOutputStream requestContent = new ByteArrayOutputStream();
            multipartRequestEntity.writeRequest(requestContent);
            request.setContent(requestContent.toByteArray());
            // Set content type of request (important, includes MIME boundary string)
            String contentType = multipartRequestEntity.getContentType();
            request.setContentType(contentType);
            return request;
        } catch (IOException ex) {
            throw new RuntimeException(ex.getMessage(), ex);
        }
    }

    private MockPortletRequests() {
    }

}