org.kuali.test.proxyserver.MultiPartHandler.java Source code

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Here is the source code for org.kuali.test.proxyserver.MultiPartHandler.java

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/*
 * Copyright 2014 The Kuali Foundation
 * 
 * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
 * 
 * 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.kuali.test.proxyserver;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.LineNumberReader;
import java.io.StringReader;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.fileupload.MultipartStream;
import org.apache.commons.lang3.StringUtils;
import org.kuali.test.utils.Constants;

public class MultiPartHandler {
    private Map<String, String> parameters = new HashMap<String, String>();

    private String[] PARAMETER_NAMES = { "name", "filename" };

    private String contentType;
    private byte[] bytes;

    public MultiPartHandler(MultipartStream multipartStream) throws IOException {
        LineNumberReader lnr = null;
        try {
            lnr = new LineNumberReader(new StringReader(multipartStream.readHeaders()));
            String line;

            while ((line = lnr.readLine()) != null) {
                if (line.startsWith(Constants.CONTENT_DISPOSITION)) {
                    for (String param : PARAMETER_NAMES) {
                        int pos = line.indexOf(param);
                        if (pos > -1) {
                            pos += (param.length() + 2);
                            int pos2 = line.indexOf("\"", pos);

                            if ((pos > -1) && (pos2 > -1) && (pos2 > pos)) {
                                parameters.put(param, line.substring(pos, pos2));
                            }
                        }
                    }
                }

                if (line.startsWith(Constants.HTTP_RESPONSE_CONTENT_TYPE)) {
                    int pos = line.indexOf(Constants.SEPARATOR_COLON);

                    if (pos > -1) {
                        contentType = line.substring(pos + 1).trim();
                    }
                }
            }

            ByteArrayOutputStream bos = new ByteArrayOutputStream(512);
            multipartStream.readBodyData(bos);
            bytes = bos.toByteArray();
        }

        finally {
            try {
                if (lnr != null) {
                    lnr.close();
                }
            }

            catch (Exception ex) {
            }
            ;
        }
    }

    public String getParameter(String name) {
        return parameters.get(name);
    }

    public String getContentType() {
        return contentType;
    }

    public boolean isFileAttachment() {
        return StringUtils.isNotBlank(getFilename());
    }

    public String getFilename() {
        return getParameter("filename");
    }

    public byte[] getBytes() {
        return bytes;
    }
}