diff options
author | pfullbright | 2007-04-25 20:09:37 +0000 |
---|---|---|
committer | pfullbright | 2007-04-25 20:09:37 +0000 |
commit | 5a50ff3aeafeb18e74f2ae005e86953fb4e38ceb (patch) | |
tree | 5f403b003319df613511081401862c5a1e6781f6 /jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/jdtutility/StringExpressionConverter.java | |
download | webtools.dali-5a50ff3aeafeb18e74f2ae005e86953fb4e38ceb.tar.gz webtools.dali-5a50ff3aeafeb18e74f2ae005e86953fb4e38ceb.tar.xz webtools.dali-5a50ff3aeafeb18e74f2ae005e86953fb4e38ceb.zip |
renamed
Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/jdtutility/StringExpressionConverter.java')
-rw-r--r-- | jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/jdtutility/StringExpressionConverter.java | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/jdtutility/StringExpressionConverter.java b/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/jdtutility/StringExpressionConverter.java new file mode 100644 index 0000000000..afde9f518f --- /dev/null +++ b/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/jdtutility/StringExpressionConverter.java @@ -0,0 +1,55 @@ +/******************************************************************************* + * Copyright (c) 2006 Oracle. All rights reserved. + * This program and the accompanying materials are made available under the + * terms of the Eclipse Public License v1.0, which accompanies this distribution + * and is available at http://www.eclipse.org/legal/epl-v10.html. + * + * Contributors: + * Oracle - initial API and implementation + ******************************************************************************/ +package org.eclipse.jpt.core.internal.jdtutility; + +import org.eclipse.jdt.core.dom.AST; +import org.eclipse.jdt.core.dom.ASTNode; +import org.eclipse.jdt.core.dom.Expression; +import org.eclipse.jdt.core.dom.StringLiteral; + +/** + * Convert an expression to/from a string (e.g. "text"). + */ +public final class StringExpressionConverter extends AbstractExpressionConverter { + private static ExpressionConverter INSTANCE; + + /** + * Return the singleton. + */ + public static ExpressionConverter instance() { + if (INSTANCE == null) { + INSTANCE = new StringExpressionConverter(); + } + return INSTANCE; + } + + /** + * Ensure non-instantiability. + */ + private StringExpressionConverter() { + super(); + } + + @Override + protected Expression convert_(Object o, AST ast) { + StringLiteral stringLiteral = ast.newStringLiteral(); + stringLiteral.setLiteralValue((String) o); + return stringLiteral; + } + + @Override + protected Object convert_(Expression expression) { + return (expression.getNodeType() == ASTNode.STRING_LITERAL) ? + ((StringLiteral) expression).getLiteralValue() + : + null; + } + +} |