| /* |
| * 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 |
| * |
| * http://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. |
| * |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.lenya.workflow.impl; |
| |
| import org.apache.lenya.workflow.Version; |
| import org.apache.lenya.workflow.Workflow; |
| import org.apache.lenya.workflow.WorkflowException; |
| import org.apache.lenya.workflow.Workflowable; |
| |
| /** |
| * Implementation of a boolean variable condition. |
| */ |
| public class BooleanVariableCondition extends AbstractCondition { |
| |
| private String variableName; |
| private boolean value; |
| |
| /** |
| * Returns the variable value to check. |
| * @return A boolean value. |
| */ |
| protected boolean getValue() { |
| return this.value; |
| } |
| |
| /** |
| * Returns the variable name to check. |
| * @return A string. |
| */ |
| protected String getVariableName() { |
| return this.variableName; |
| } |
| |
| /** |
| * @see org.apache.lenya.workflow.Condition#setExpression(java.lang.String) |
| */ |
| public void setExpression(String expression) throws WorkflowException { |
| super.setExpression(expression); |
| String[] sides = expression.split("="); |
| if (sides.length != 2) { |
| throw new WorkflowException("The expression '" + expression |
| + "' must be of the form 'name = [true|false]'"); |
| } |
| |
| this.variableName = sides[0].trim(); |
| this.value = Boolean.valueOf(sides[1].trim()).booleanValue(); |
| |
| if (getLogger().isDebugEnabled()) { |
| getLogger().debug("Expression: [" + sides[1].trim() + "]"); |
| getLogger().debug("Setting value: [" + this.value + "]"); |
| } |
| } |
| |
| /** |
| * @see org.apache.lenya.workflow.Condition#isComplied(org.apache.lenya.workflow.Workflow, |
| * org.apache.lenya.workflow.Workflowable) |
| */ |
| public boolean isComplied(Workflow workflow, Workflowable workflowable) |
| throws WorkflowException { |
| Version latestVersion = workflowable.getLatestVersion(); |
| boolean value = false; |
| if (latestVersion == null) { |
| value = workflow.getInitialValue(getVariableName()); |
| } else { |
| value = latestVersion.getValue(getVariableName()); |
| } |
| |
| if (getLogger().isDebugEnabled()) { |
| getLogger().debug("Checking boolean variable condition"); |
| getLogger().debug(" Condition value: [" + getValue() + "]"); |
| getLogger().debug(" Variable value: [" + value + "]"); |
| } |
| return value == getValue(); |
| } |
| } |