| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 |
| * |
| * https://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 org.apache.ivy.core.settings; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.ivy.core.IvyPatternHelper; |
| import org.apache.ivy.util.Message; |
| |
| public class IvyVariableContainerImpl implements IvyVariableContainer { |
| |
| private Map<String, String> variables; |
| |
| private String envPrefix; |
| |
| public IvyVariableContainerImpl() { |
| this.variables = new HashMap<>(); |
| } |
| |
| public IvyVariableContainerImpl(Map<String, String> variables) { |
| this.variables = variables; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.ivy.core.settings.IvyVariableContainer#setVariable(java.lang.String, |
| * java.lang.String, boolean) |
| */ |
| public void setVariable(String varName, String value, boolean overwrite) { |
| if (overwrite || !variables.containsKey(varName)) { |
| Message.debug("setting '" + varName + "' to '" + value + "'"); |
| variables.put(varName, substitute(value)); |
| } else { |
| Message.debug("'" + varName + "' already set: discarding '" + value + "'"); |
| } |
| } |
| |
| public void setEnvironmentPrefix(String prefix) { |
| if (prefix != null && !prefix.endsWith(".")) { |
| this.envPrefix = prefix + "."; |
| } else { |
| this.envPrefix = prefix; |
| } |
| } |
| |
| protected String substitute(String value) { |
| return IvyPatternHelper.substituteVariables(value, this); |
| } |
| |
| protected Map<String, String> getVariables() { |
| return variables; |
| } |
| |
| protected String getEnvironmentPrefix() { |
| return envPrefix; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.ivy.core.settings.IvyVariableContainer#getVariable(java.lang.String) |
| */ |
| public String getVariable(String name) { |
| String val = null; |
| if (envPrefix != null && name.startsWith(envPrefix)) { |
| val = System.getenv(name.substring(envPrefix.length())); |
| } else { |
| val = variables.get(name); |
| } |
| |
| return val; |
| } |
| |
| public Object clone() { |
| IvyVariableContainerImpl clone; |
| try { |
| clone = (IvyVariableContainerImpl) super.clone(); |
| } catch (CloneNotSupportedException e) { |
| throw new RuntimeException("unable to clone a " + this.getClass()); |
| } |
| clone.variables = new HashMap<>(this.variables); |
| return clone; |
| } |
| } |