org.wisdom.api.bodies.NoHttpBody Maven / Gradle / Ivy
/*
* #%L
* Wisdom-Framework
* %%
* Copyright (C) 2013 - 2014 Wisdom Framework
* %%
* Licensed 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.
* #L%
*/
package org.wisdom.api.bodies;
import org.wisdom.api.http.*;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
/**
* Empty body.
*/
public class NoHttpBody implements Renderable {
/**
* The singleton instance.
*/
public static final NoHttpBody INSTANCE = new NoHttpBody();
private NoHttpBody() {
// Avoid direct instantiation.
}
/**
* The body.
*/
private static final byte[] EMPTY = new byte[0];
/**
* An accessor to access to the empty array singleton.
* @return the empty array.
*/
public static byte[] empty() {
return EMPTY;
}
@Override
public InputStream render(Context context, Result result) throws RenderableException {
return new ByteArrayInputStream(EMPTY);
}
@Override
public long length() {
return 0;
}
@Override
public String mimetype() {
return MimeTypes.TEXT;
}
@Override
public Void content() {
return null;
}
@Override
public boolean requireSerializer() {
return false;
}
@Override
public void setSerializedForm(String serialized) {
// Nothing because serialization is not supported for this renderable class.
}
@Override
public boolean mustBeChunked() {
return false;
}
}