001 /* 002 * 003 * ==================================================================== 004 * 005 * Copyright 2004 The Apache Software Foundation 006 * 007 * Licensed under the Apache License, Version 2.0 (the "License"); 008 * you may not use this file except in compliance with the License. 009 * You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, software 014 * distributed under the License is distributed on an "AS IS" BASIS, 015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 016 * See the License for the specific language governing permissions and 017 * limitations under the License. 018 * 019 */ 020 package org.apache.commons.contract.store; 021 022 import org.apache.commons.contract.Context; 023 import org.apache.commons.contract.Store; 024 import org.apache.commons.contract.StoreException; 025 import org.apache.commons.contract.constraints.CastException; 026 import org.apache.commons.contract.constraints.StringConstraints; 027 import org.apache.commons.i18n.bundles.ErrorBundle; 028 029 public class Environment implements Store { 030 public final static String ID = "environment"; 031 032 public void put(String key, Object value, Context context) throws StoreException { 033 try { 034 System.setProperty(key, (String)StringConstraints.UNCONSTRAINED.cast(value, context)); 035 } catch (CastException e) { 036 throw new StoreException(new ErrorBundle("storesStringsOnly"), e); 037 } 038 } 039 040 public Object get(String key, Context context) throws StoreException { 041 return System.getProperty(key); 042 } 043 044 public void dispose(String key, Context context) throws StoreException { 045 throw new StoreException(new ErrorBundle("disposeNotAvailable")); 046 } 047 048 public String getId() { 049 return ID; 050 } 051 }