org.activiti.engine.impl.bpmn.helper.SkipExpressionUtil Maven / Gradle / Ivy
/* Licensed 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.
*/
package org.activiti.engine.impl.bpmn.helper;
import org.activiti.engine.ActivitiIllegalArgumentException;
import org.activiti.engine.delegate.DelegateExecution;
import org.activiti.engine.delegate.Expression;
import org.activiti.engine.impl.interceptor.CommandContext;
public class SkipExpressionUtil {
public static boolean isSkipExpressionEnabled(DelegateExecution execution, String skipExpression) {
if (skipExpression == null) {
return false;
}
return checkSkipExpressionVariable(execution);
}
public static boolean isSkipExpressionEnabled(DelegateExecution execution, Expression skipExpression) {
if (skipExpression == null) {
return false;
}
return checkSkipExpressionVariable(execution);
}
private static boolean checkSkipExpressionVariable(DelegateExecution execution) {
final String skipExpressionEnabledVariable = "_ACTIVITI_SKIP_EXPRESSION_ENABLED";
Object isSkipExpressionEnabled = execution.getVariable(skipExpressionEnabledVariable);
if (isSkipExpressionEnabled == null) {
return false;
} else if (isSkipExpressionEnabled instanceof Boolean) {
return ((Boolean) isSkipExpressionEnabled).booleanValue();
} else {
throw new ActivitiIllegalArgumentException(skipExpressionEnabledVariable + " variable does not resolve to a boolean. " + isSkipExpressionEnabled);
}
}
public static boolean shouldSkipFlowElement(CommandContext commandContext, DelegateExecution execution, String skipExpressionString) {
Expression skipExpression = commandContext.getProcessEngineConfiguration().getExpressionManager().createExpression(skipExpressionString);
Object value = skipExpression.getValue(execution);
if (value instanceof Boolean) {
return ((Boolean) value).booleanValue();
} else {
throw new ActivitiIllegalArgumentException("Skip expression does not resolve to a boolean: " + skipExpression.getExpressionText());
}
}
public static boolean shouldSkipFlowElement(DelegateExecution execution, Expression skipExpression) {
Object value = skipExpression.getValue(execution);
if (value instanceof Boolean) {
return ((Boolean) value).booleanValue();
} else {
throw new ActivitiIllegalArgumentException("Skip expression does not resolve to a boolean: " + skipExpression.getExpressionText());
}
}
}