1 /* 2 * Copyright 2012-2013 smartics, Kronseder & Reiner GmbH 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package de.smartics.properties.spi.core.context; 17 18 import org.apache.commons.lang.builder.ToStringBuilder; 19 20 import de.smartics.properties.api.core.domain.PropertiesContext; 21 import de.smartics.properties.api.core.domain.PropertyContext; 22 import de.smartics.properties.api.core.domain.PropertyDescriptor; 23 24 /** 25 * A proxy to provide property context instances. 26 */ 27 public final class PropertyContextProxy implements PropertyContextProvider 28 { 29 // ********************************* Fields ********************************* 30 31 // --- constants ------------------------------------------------------------ 32 33 /** 34 * The class version identifier. 35 */ 36 private static final long serialVersionUID = 1L; 37 38 // --- members -------------------------------------------------------------- 39 40 /** 41 * The properties context to fetch information from the META-INF folder. 42 * 43 * @serial 44 */ 45 private final PropertiesContext context; 46 47 // ****************************** Initializer ******************************* 48 49 // ****************************** Constructors ****************************** 50 51 /** 52 * Default constructor. 53 * 54 * @param context the properties context to fetch information from the 55 * META-INF folder. May be <code>null</code>. 56 */ 57 public PropertyContextProxy(final PropertiesContext context) 58 { 59 this.context = 60 (context != null ? context : new PropertiesContext.Builder().build()); 61 } 62 63 // ****************************** Inner Classes ***************************** 64 65 // ********************************* Methods ******************************** 66 67 // --- init ----------------------------------------------------------------- 68 69 // --- get&set -------------------------------------------------------------- 70 71 // --- business ------------------------------------------------------------- 72 73 @Override 74 public PropertyContext getPropertyContext( 75 final PropertyDescriptor propertyDescriptor) throws NullPointerException 76 { 77 return new MandatoryPropertyContext(context, propertyDescriptor); 78 } 79 80 // --- object basics -------------------------------------------------------- 81 82 /** 83 * Returns the string representation of the object. 84 * 85 * @return the string representation of the object. 86 */ 87 @Override 88 public String toString() 89 { 90 return ToStringBuilder.reflectionToString(this); 91 } 92 }