001 /* 002 * Copyright 2006 Stephen J. McConnell. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 013 * implied. 014 * 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018 019 package net.dpml.util; 020 021 import java.io.Writer; 022 import java.io.IOException; 023 024 /** 025 * Interface implemented by generic encoders. 026 */ 027 public interface Encoder 028 { 029 /** 030 * Externalize a object to XML. 031 * @param writer the output stream writer 032 * @param object the object to externalize 033 * @param pad the character offset 034 * @exception IOException if an IO error occurs 035 */ 036 public void encode( Writer writer, Object object, String pad ) throws IOException; 037 }