001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
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017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
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022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
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031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
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035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
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040: */
041:
042: package org.netbeans.modules.xml.xpath.impl;
043:
044: import org.apache.commons.jxpath.ri.compiler.VariableReference;
045: import org.netbeans.modules.xml.xpath.AbstractXPathModelHelper;
046: import org.netbeans.modules.xml.xpath.LocationStep;
047: import org.netbeans.modules.xml.xpath.XPathCoreFunction;
048: import org.netbeans.modules.xml.xpath.XPathCoreOperation;
049: import org.netbeans.modules.xml.xpath.XPathExpression;
050: import org.netbeans.modules.xml.xpath.XPathExpressionPath;
051: import org.netbeans.modules.xml.xpath.XPathExtensionFunction;
052: import org.netbeans.modules.xml.xpath.XPathLocationPath;
053: import org.netbeans.modules.xml.xpath.XPathModel;
054: import org.netbeans.modules.xml.xpath.XPathNumericLiteral;
055: import org.netbeans.modules.xml.xpath.XPathPredicateExpression;
056: import org.netbeans.modules.xml.xpath.XPathPredicateNumericLiteral;
057: import org.netbeans.modules.xml.xpath.XPathStringLiteral;
058: import org.netbeans.modules.xml.xpath.XPathVariableReference;
059: import org.netbeans.modules.xml.xpath.function.extension.GetContainerDataFunction;
060: import org.netbeans.modules.xml.xpath.function.extension.impl.GetContainerDataFunctionImpl;
061:
062: /**
063: * XPathModel helper class.
064: *
065: * @author Enrico Lelina
066: * @version
067: */
068: public class XPathModelHelperImpl extends AbstractXPathModelHelper {
069:
070: /**
071: * Instantiates a new XPathModel object.
072: * @return a new XPathModel object instance
073: */
074: public XPathModel newXPathModel() {
075: return new XPathModelImpl();
076: }
077:
078: /**
079: * Instantiates a new XPathStringLiteral object.
080: * @param value the value
081: * @return a new XPathStringLiteral object instance
082: */
083: public XPathStringLiteral newXPathStringLiteral(String value) {
084: return new XPathStringLiteralImpl(value);
085: }
086:
087: /**
088: * Instantiates a new XPathVariableReference object of the type variable.
089: * @param value the value
090: * @return a new XPathVariableReference object instance
091: */
092: public XPathVariableReference newXPathVariableReference(
093: VariableReference vReference) {
094:
095: return new XPathVariableReferenceImpl(vReference);
096: }
097:
098: /**
099: * Instantiates a new XPathPredicateExpression object for given expression.
100: * @param expression which is a predicate expression
101: * @return a new XPathPredicateExpression object instance
102: */
103: public XPathPredicateExpression newXPathPredicateExpression(
104: XPathExpression expression) {
105: return new XPathPredicateExpressionImpl(expression);
106: }
107:
108: /**
109: * Instantiates a new XPathNumericLiteral object.
110: * @param value the value
111: * @return a new XPathNumericLiteral object instance
112: */
113: public XPathNumericLiteral newXPathNumericLiteral(Number value) {
114: return new XPathNumericLiteralImpl(value);
115: }
116:
117: /**
118: * Instantiates a new XPathPredicateNumericLiteral object.
119: * @param value the value
120: * @return a new XPathPredicateNumericLiteral object instance
121: */
122: public XPathPredicateNumericLiteral newXPathPredicateNumericLiteral(
123: Long value) {
124: return new XPathPredicateNumericLiteralImpl(value);
125: }
126:
127: /**
128: * Instantiates a new XPathCoreFunction object.
129: * @param function the function code
130: * @return a new XPathCoreFunction object instance
131: */
132: public XPathCoreFunction newXPathCoreFunction(int function) {
133: return new XPathCoreFunctionImpl(function);
134: }
135:
136: /**
137: * Instantiates a new XPathExtension Function object.
138: * @param name the function name
139: * @return a new XPathExtensionFunction object instance
140: */
141: public XPathExtensionFunction newXPathExtensionFunction(String name) {
142: if (name != null && name.equals(GetContainerDataFunction.NAME)) {
143: return new GetContainerDataFunctionImpl(name);
144: } else {
145: return new XPathExtensionFunctionImpl(name);
146: }
147: }
148:
149: /**
150: * Instantiates a new XPathCoreOperation object.
151: * @param code the operation code
152: * @return a new XPathCoreOperatoin object instance
153: */
154: public XPathCoreOperation newXPathCoreOperation(int code) {
155: return new XPathCoreOperationImpl(code);
156: }
157:
158: /**
159: * Instantiates a new XPathLocationPath object.
160: * @param steps the steps
161: * @return a new XPathLocationPath object instance
162: */
163: public XPathLocationPath newXPathLocationPath(LocationStep[] steps) {
164: return new XPathLocationPathImpl(steps);
165: }
166:
167: /**
168: * Instantiates a new XPathExpressionPath object.
169: * @param rootExpression root expression if any
170: * @param steps the steps
171: * @return a new XPathLocationPath object instance
172: */
173: public XPathExpressionPath newXPathExpressionPath(
174: XPathExpression rootExpression, LocationStep[] steps) {
175:
176: return new XPathExpressionPathImpl(rootExpression, steps, false);
177: }
178:
179: /**
180: * Determines if a function name is valid. Assumes the function name is
181: * not one of the core functions.
182: * @param functionName the name of the function
183: * @return true if the function name is valid, false otherwise
184: */
185: public boolean isValidFunction(String functionName) {
186: return XPathModelImpl.isValidFunction(functionName);
187: }
188:
189: /**
190: * Determines if a operator name is valid. Assumes the operatior name is
191: * built in operator.
192: * @param operatorName the name of the function
193: * @return true if the operatorName name is valid, false otherwise
194: */
195: public boolean isValidOperator(String operatorName) {
196: if (opHash != null && opHash.keySet().contains(operatorName)) {
197: return true;
198: }
199:
200: return false;
201: }
202: }
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