mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/BasicHttpEntity.java

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/BasicHttpEntity.java	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,137 @@
     1.4 +/*
     1.5 + * ====================================================================
     1.6 + * Licensed to the Apache Software Foundation (ASF) under one
     1.7 + * or more contributor license agreements.  See the NOTICE file
     1.8 + * distributed with this work for additional information
     1.9 + * regarding copyright ownership.  The ASF licenses this file
    1.10 + * to you under the Apache License, Version 2.0 (the
    1.11 + * "License"); you may not use this file except in compliance
    1.12 + * with the License.  You may obtain a copy of the License at
    1.13 + *
    1.14 + *   http://www.apache.org/licenses/LICENSE-2.0
    1.15 + *
    1.16 + * Unless required by applicable law or agreed to in writing,
    1.17 + * software distributed under the License is distributed on an
    1.18 + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    1.19 + * KIND, either express or implied.  See the License for the
    1.20 + * specific language governing permissions and limitations
    1.21 + * under the License.
    1.22 + * ====================================================================
    1.23 + *
    1.24 + * This software consists of voluntary contributions made by many
    1.25 + * individuals on behalf of the Apache Software Foundation.  For more
    1.26 + * information on the Apache Software Foundation, please see
    1.27 + * <http://www.apache.org/>.
    1.28 + *
    1.29 + */
    1.30 +
    1.31 +package ch.boye.httpclientandroidlib.entity;
    1.32 +
    1.33 +import java.io.IOException;
    1.34 +import java.io.InputStream;
    1.35 +import java.io.OutputStream;
    1.36 +
    1.37 +/**
    1.38 + * A generic streamed, non-repeatable entity that obtains its content
    1.39 + * from an {@link InputStream}.
    1.40 + *
    1.41 + * @since 4.0
    1.42 + */
    1.43 +public class BasicHttpEntity extends AbstractHttpEntity {
    1.44 +
    1.45 +    private InputStream content;
    1.46 +    private long length;
    1.47 +
    1.48 +    /**
    1.49 +     * Creates a new basic entity.
    1.50 +     * The content is initially missing, the content length
    1.51 +     * is set to a negative number.
    1.52 +     */
    1.53 +    public BasicHttpEntity() {
    1.54 +        super();
    1.55 +        this.length = -1;
    1.56 +    }
    1.57 +
    1.58 +    public long getContentLength() {
    1.59 +        return this.length;
    1.60 +    }
    1.61 +
    1.62 +    /**
    1.63 +     * Obtains the content, once only.
    1.64 +     *
    1.65 +     * @return  the content, if this is the first call to this method
    1.66 +     *          since {@link #setContent setContent} has been called
    1.67 +     *
    1.68 +     * @throws IllegalStateException
    1.69 +     *          if the content has not been provided
    1.70 +     */
    1.71 +    public InputStream getContent() throws IllegalStateException {
    1.72 +        if (this.content == null) {
    1.73 +            throw new IllegalStateException("Content has not been provided");
    1.74 +        }
    1.75 +        return this.content;
    1.76 +
    1.77 +    }
    1.78 +
    1.79 +    /**
    1.80 +     * Tells that this entity is not repeatable.
    1.81 +     *
    1.82 +     * @return <code>false</code>
    1.83 +     */
    1.84 +    public boolean isRepeatable() {
    1.85 +        return false;
    1.86 +    }
    1.87 +
    1.88 +    /**
    1.89 +     * Specifies the length of the content.
    1.90 +     *
    1.91 +     * @param len       the number of bytes in the content, or
    1.92 +     *                  a negative number to indicate an unknown length
    1.93 +     */
    1.94 +    public void setContentLength(long len) {
    1.95 +        this.length = len;
    1.96 +    }
    1.97 +
    1.98 +    /**
    1.99 +     * Specifies the content.
   1.100 +     *
   1.101 +     * @param instream          the stream to return with the next call to
   1.102 +     *                          {@link #getContent getContent}
   1.103 +     */
   1.104 +    public void setContent(final InputStream instream) {
   1.105 +        this.content = instream;
   1.106 +    }
   1.107 +
   1.108 +    public void writeTo(final OutputStream outstream) throws IOException {
   1.109 +        if (outstream == null) {
   1.110 +            throw new IllegalArgumentException("Output stream may not be null");
   1.111 +        }
   1.112 +        InputStream instream = getContent();
   1.113 +        try {
   1.114 +            int l;
   1.115 +            byte[] tmp = new byte[2048];
   1.116 +            while ((l = instream.read(tmp)) != -1) {
   1.117 +                outstream.write(tmp, 0, l);
   1.118 +            }
   1.119 +        } finally {
   1.120 +            instream.close();
   1.121 +        }
   1.122 +    }
   1.123 +
   1.124 +    public boolean isStreaming() {
   1.125 +        return this.content != null;
   1.126 +    }
   1.127 +
   1.128 +    /**
   1.129 +     * Closes the content InputStream.
   1.130 +     *
   1.131 +     * @deprecated Either use {@link #getContent()} and call {@link java.io.InputStream#close()} on that;
   1.132 +     * otherwise call {@link #writeTo(OutputStream)} which is required to free the resources.
   1.133 +     */
   1.134 +    public void consumeContent() throws IOException {
   1.135 +        if (content != null) {
   1.136 +            content.close(); // reads to the end of the entity
   1.137 +        }
   1.138 +    }
   1.139 +
   1.140 +}

mercurial