com.emc.atmos.api.request.ReadObjectRequest Maven / Gradle / Ivy
/*
* Copyright 2013 EMC Corporation. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* or in the "license" file accompanying this file. This file 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 com.emc.atmos.api.request;
import com.emc.atmos.api.Range;
import com.emc.atmos.api.RestUtil;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
/**
* Represents an Atmos read-object request.
*/
public class ReadObjectRequest extends ObjectRequest {
protected List ranges;
@Override
public String getServiceRelativePath() {
return identifier.getRelativeResourcePath();
}
@Override
public String getMethod() {
return "GET";
}
@Override
public Map> generateHeaders() {
Map> headers = super.generateHeaders();
RestUtil.addValue( headers, RestUtil.XHEADER_UTF8, "true" );
if ( ranges != null && !ranges.isEmpty() )
RestUtil.addValue( headers, RestUtil.HEADER_RANGE, "bytes=" + RestUtil.join( ranges, "," ) );
return headers;
}
@Override
protected ReadObjectRequest me() {
return this;
}
/**
* Builder method for {@link #setRanges(java.util.List)}
*/
public ReadObjectRequest ranges( Range... range ) {
if ( range == null || (range.length == 1 && range[0] == null) ) range = new Range[0];
setRanges( Arrays.asList( range ) );
return this;
}
/**
* Returns the list of byte ranges to read from the target object.
*/
public List getRanges() {
return ranges;
}
/**
* Sets the list of byte ranges to read from the target object.
*/
public void setRanges( List ranges ) {
this.ranges = ranges;
}
}