Here you can find the source of closeProofWriter(Writer out)
public static Writer closeProofWriter(Writer out)
//package com.java2s; /*// w ww .j a v a2 s .c om * Copyright 2015 Paul Sidnell * * 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. */ import java.io.IOException; import java.io.Writer; public class Main { public static Writer closeProofWriter(Writer out) { return new Writer(out) { @Override public void close() throws IOException { // Don't want to close underlying writer } @Override public void write(char[] cbuf, int off, int len) throws IOException { out.write(cbuf, off, len); } @Override public void flush() throws IOException { out.flush(); } }; } }