/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.myfaces.tobago.internal.util;

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

public class FastStringWriter extends Writer {

  private StringBuilder stringBuilder;

  public FastStringWriter() {
    this(1024);
  }

  public FastStringWriter(final int initialSize) {
    stringBuilder = new StringBuilder(initialSize);
  }

  @Override
  public void write(final int c) {
    stringBuilder.append((char) c);
  }

  @Override
  public void write(final char[] cbuf, final int off, final int len) {
    stringBuilder.append(cbuf, off, len);
  }

  @Override
  public void write(final String str) {
    stringBuilder.append(str);
  }

  @Override
  public void write(final String str, final int off, final int len) {
    stringBuilder.append(str.substring(off, off + len));
  }

  public String toString() {
    return stringBuilder.toString();
  }

  @Override
  public void flush() {
    // do nothing
  }

  @Override
  public void close() throws IOException {
    // do nothing
  }

  public StringBuilder getBuilder() {
    return stringBuilder;
  }
}
