cat.inspiracio.io.PrintStreamWriter Maven / Gradle / Ivy

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Dummy Servlet provides some implementations for the interfaces and classes of the Java Servlet spec that are useful for testing and simulation. Version 5.0.0 is for Servlet 5.0.0.

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/*
Copyright 2016 Alexander Bunkenburg

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.
*/
package cat.inspiracio.io;

import java.io.IOException;
import java.io.PrintStream;
import java.io.Writer;

/** Makes a Writer from a PrintStream like System.out.
 * @author Alex */
public class PrintStreamWriter extends Writer{

	private final PrintStream out;

	/** Make a Writer from
	 * @param p this PrintStream. */
	public PrintStreamWriter(PrintStream p){out=p;}
	
	@Override public void close() throws IOException {out.close();}
	@Override public void flush() throws IOException {out.flush();}
	
	@Override public void write(char[] cs, int offset, int length)throws IOException {
		if(offset==0 && length==cs.length) {
			out.print(cs);
		}else{
			//could be better
			char[]dest=new char[length];
			System.arraycopy(cs, offset, dest, 0, length);
			out.print(dest);
		}
	}
}