org.apache.droids.protocol.http.HttpContentEntity.java Source code

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Here is the source code for org.apache.droids.protocol.http.HttpContentEntity.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 org.apache.droids.protocol.http;

import java.io.IOException;
import java.io.InputStream;
import java.util.Locale;

import org.apache.droids.api.ManagedContentEntity;
import org.apache.droids.api.Parse;
import org.apache.http.Header;
import org.apache.http.HeaderElement;
import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.protocol.HTTP;

public class HttpContentEntity implements ManagedContentEntity {

    private final HttpEntity entity;
    private final String mimeType;
    private final String charset;

    private Parse parse = null;

    public HttpContentEntity(HttpEntity entity, long maxlen) throws IOException {
        super();
        if (entity.isRepeatable()) {
            this.entity = entity;
        } else {
            this.entity = new DroidHttpEntity(entity, maxlen);
        }

        String mimeType = null;
        String charset = null;
        Header header = entity.getContentType();
        if (header != null) {
            HeaderElement[] helems = header.getElements();
            if (helems != null && helems.length > 0) {
                HeaderElement helem = helems[0];
                mimeType = helem.getName();
                NameValuePair nvp = helem.getParameterByName("charset");
                if (nvp != null) {
                    charset = nvp.getValue();
                }
            }
        }
        if (mimeType != null) {
            this.mimeType = mimeType.toLowerCase(Locale.ENGLISH);
        } else {
            this.mimeType = "binary/octet-stream";
        }
        if (charset != null) {
            this.charset = charset;
        } else {
            if (this.mimeType.startsWith("text/")) {
                this.charset = HTTP.ISO_8859_1;
            } else {
                this.charset = null;
            }
        }
    }

    @Override
    public String getMimeType() {
        return mimeType;
    }

    @Override
    public String getCharset() {
        return charset;
    }

    @Override
    public InputStream obtainContent() throws IOException {
        return entity.getContent();
    }

    @Override
    public Parse getParse() {
        return this.parse;
    }

    @Override
    public void setParse(Parse parse) {
        this.parse = parse;
    }

    @Override
    public void finish() {
    }

}