- /*
- * Copyright 1999-2004 The Apache Software Foundation
- *
- * 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.apache.commons.jxpath.ri.compiler;
-
- import org.apache.commons.jxpath.ri.EvalContext;
- import org.apache.commons.jxpath.ri.axes.InitialContext;
-
- /**
- * @author Dmitri Plotnikov
- * @version $Revision: 1.11 $ $Date: 2004/02/29 14:17:39 $
- */
- public class LocationPath extends Path {
-
- private boolean absolute;
-
- public LocationPath(boolean absolute, Step[] steps) {
- super(steps);
- this.absolute = absolute;
- }
-
- public boolean isAbsolute() {
- return absolute;
- }
-
- public boolean computeContextDependent() {
- if (!absolute) {
- return true;
- }
-
- return super.computeContextDependent();
- }
-
- public String toString() {
- StringBuffer buffer = new StringBuffer();
- Step steps[] = getSteps();
- if (steps != null) {
- for (int i = 0; i < steps.length; i++) {
- if (i > 0 || absolute) {
- buffer.append('/');
- }
- buffer.append(steps[i]);
- }
- }
- return buffer.toString();
- }
-
- public Object compute(EvalContext context) {
- // Create a chain of contexts
- EvalContext rootContext;
- if (isAbsolute()) {
- rootContext = context.getRootContext().getAbsoluteRootContext();
- }
- else {
- rootContext = new InitialContext(context);
- }
- return evalSteps(rootContext);
- }
-
-
- public Object computeValue(EvalContext context) {
- // Create a chain of contexts
- EvalContext rootContext;
- if (isAbsolute()) {
- rootContext = context.getRootContext().getAbsoluteRootContext();
- }
- else {
- rootContext = new InitialContext(context);
- }
- return getSingleNodePointerForSteps(rootContext);
- }
- }