001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.commons.fileupload.portlet;
018
019import static java.lang.String.format;
020
021import java.io.IOException;
022import java.io.InputStream;
023
024import javax.portlet.ActionRequest;
025
026import org.apache.commons.fileupload.FileUploadBase;
027import org.apache.commons.fileupload.UploadContext;
028
029/**
030 * <p>Provides access to the request information needed for a request made to
031 * a portlet.</p>
032 *
033 * @since FileUpload 1.1
034 */
035public class PortletRequestContext implements UploadContext {
036
037    // ----------------------------------------------------- Instance Variables
038
039    /**
040     * The request for which the context is being provided.
041     */
042    private final ActionRequest request;
043
044
045    // ----------------------------------------------------------- Constructors
046
047    /**
048     * Construct a context for this request.
049     *
050     * @param request The request to which this context applies.
051     */
052    public PortletRequestContext(ActionRequest request) {
053        this.request = request;
054    }
055
056
057    // --------------------------------------------------------- Public Methods
058
059    /**
060     * Retrieve the character encoding for the request.
061     *
062     * @return The character encoding for the request.
063     */
064    @Override
065    public String getCharacterEncoding() {
066        return request.getCharacterEncoding();
067    }
068
069    /**
070     * Retrieve the content type of the request.
071     *
072     * @return The content type of the request.
073     */
074    @Override
075    public String getContentType() {
076        return request.getContentType();
077    }
078
079    /**
080     * Retrieve the content length of the request.
081     *
082     * @return The content length of the request.
083     * @deprecated 1.3 Use {@link #contentLength()} instead
084     */
085    @Override
086    @Deprecated
087    public int getContentLength() {
088        return request.getContentLength();
089    }
090
091    /**
092     * Retrieve the content length of the request.
093     *
094     * @return The content length of the request.
095     * @since 1.3
096     */
097    @Override
098    public long contentLength() {
099        long size;
100        try {
101            size = Long.parseLong(request.getProperty(FileUploadBase.CONTENT_LENGTH));
102        } catch (NumberFormatException e) {
103            size = request.getContentLength();
104        }
105        return size;
106    }
107
108    /**
109     * Retrieve the input stream for the request.
110     *
111     * @return The input stream for the request.
112     *
113     * @throws IOException if a problem occurs.
114     */
115    @Override
116    public InputStream getInputStream() throws IOException {
117        return request.getPortletInputStream();
118    }
119
120    /**
121     * Returns a string representation of this object.
122     *
123     * @return a string representation of this object.
124     */
125    @Override
126    public String toString() {
127        return format("ContentLength=%s, ContentType=%s",
128                      Long.valueOf(this.contentLength()),
129                      this.getContentType());
130    }
131
132}