org.apache.hadoop.gateway.shell.BasicResponse.java Source code

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Here is the source code for org.apache.hadoop.gateway.shell.BasicResponse.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.hadoop.gateway.shell;

import org.apache.http.HttpResponse;
import org.apache.http.entity.ContentType;
import org.apache.http.util.EntityUtils;

import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;

public class BasicResponse implements Closeable {

    private HttpResponse response;
    private boolean consumed = false;
    private String string;
    private InputStream stream;
    private byte[] bytes;

    public BasicResponse(HttpResponse response) {
        this.response = response;
    }

    public void consume() {
        if (!consumed) {
            EntityUtils.consumeQuietly(response.getEntity());
            consumed = true;
        }
    }

    public void close() {
        consume();
    }

    protected HttpResponse response() {
        return response;
    }

    public boolean isConsumed() {
        return consumed;
    }

    public int getStatusCode() {
        return response.getStatusLine().getStatusCode();
    }

    public long getContentLength() {
        return response.getEntity().getContentLength();
    }

    public String getContentType() {
        return ContentType.getOrDefault(response.getEntity()).getMimeType();
    }

    public String getContentEncoding() {
        return ContentType.getOrDefault(response.getEntity()).getCharset().name();
    }

    public InputStream getStream() throws IOException {
        if (!consumed && stream == null) {
            stream = response.getEntity().getContent();
            consumed = true;
        }
        return stream;
    }

    public String getString() throws IOException {
        if (!consumed && string == null) {
            string = EntityUtils.toString(response.getEntity());
            consumed = true;
        }
        return string;
    }

    public byte[] getBytes() throws IOException {
        if (!consumed && bytes == null) {
            bytes = EntityUtils.toByteArray(response.getEntity());
            consumed = true;
        }
        return bytes;
    }

}