Java tutorial
package org.apache.http.entity; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import org.apache.http.Header; import org.apache.http.HttpEntity; import org.apache.http.annotation.NotThreadSafe; import org.apache.http.util.Args; @NotThreadSafe public class HttpEntityWrapper implements HttpEntity { protected HttpEntity wrappedEntity; public HttpEntityWrapper(HttpEntity httpEntity) { this.wrappedEntity = (HttpEntity) Args.notNull(httpEntity, "Wrapped entity"); } public boolean isRepeatable() { return this.wrappedEntity.isRepeatable(); } public boolean isChunked() { return this.wrappedEntity.isChunked(); } public long getContentLength() { return this.wrappedEntity.getContentLength(); } public Header getContentType() { return this.wrappedEntity.getContentType(); } public Header getContentEncoding() { return this.wrappedEntity.getContentEncoding(); } public InputStream getContent() throws IOException { return this.wrappedEntity.getContent(); } public void writeTo(OutputStream outputStream) throws IOException { this.wrappedEntity.writeTo(outputStream); } public boolean isStreaming() { return this.wrappedEntity.isStreaming(); } @Deprecated public void consumeContent() throws IOException { this.wrappedEntity.consumeContent(); } }