1 package org.apache.maven.settings.io; 2 3 /* 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 22 import java.io.File; 23 import java.io.IOException; 24 import java.io.OutputStream; 25 import java.io.Writer; 26 import java.util.Map; 27 28 import org.apache.maven.settings.Settings; 29 30 /** 31 * Handles serialization of settings into some kind of textual format like XML. 32 * 33 * @author Benjamin Bentmann 34 */ 35 public interface SettingsWriter 36 { 37 38 /** 39 * Writes the supplied settings to the specified file. Any non-existing parent directories of the output file will 40 * be created automatically. 41 * 42 * @param output The file to serialize the settings to, must not be {@code null}. 43 * @param options The options to use for serialization, may be {@code null} to use the default values. 44 * @param settings The settings to serialize, must not be {@code null}. 45 * @throws IOException If the settings could not be serialized. 46 */ 47 void write( File output, Map<String, Object> options, Settings settings ) 48 throws IOException; 49 50 /** 51 * Writes the supplied settings to the specified character writer. The writer will be automatically closed before 52 * the method returns. 53 * 54 * @param output The writer to serialize the settings to, must not be {@code null}. 55 * @param options The options to use for serialization, may be {@code null} to use the default values. 56 * @param settings The settings to serialize, must not be {@code null}. 57 * @throws IOException If the settings could not be serialized. 58 */ 59 void write( Writer output, Map<String, Object> options, Settings settings ) 60 throws IOException; 61 62 /** 63 * Writes the supplied settings to the specified byte stream. The stream will be automatically closed before the 64 * method returns. 65 * 66 * @param output The stream to serialize the settings to, must not be {@code null}. 67 * @param options The options to use for serialization, may be {@code null} to use the default values. 68 * @param settings The settings to serialize, must not be {@code null}. 69 * @throws IOException If the settings could not be serialized. 70 */ 71 void write( OutputStream output, Map<String, Object> options, Settings settings ) 72 throws IOException; 73 74 }