content: /**
   * Copyright (C) 2012 the original author or authors.
   *
   * 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 co.jirm.core.util;
  
  import java.io.IOException;
  
  
  public class SafeAppendable {
  	
  	private final Appendable a;
  	private boolean empty = true;
  
  	public SafeAppendable(Appendable a) {
  		super();
  		this.a = a;
  	}
  	
  	public SafeAppendable append(CharSequence s) {
  		try {
  			if (empty && s.length() > 0) empty = false;
  			a.append(s);
  		} catch (IOException e) {
  			throw new RuntimeException(e);
  		}
  		return this;
  	}
  	
  	public boolean isEmpty() {
  		return empty;
  	}
  	
  	
  	public Appendable getAppendable() {
  		return a;
  	}
  
  }
  