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Diffstat (limited to 'common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/BidiStringConverter.java')
-rw-r--r--common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/BidiStringConverter.java157
1 files changed, 0 insertions, 157 deletions
diff --git a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/BidiStringConverter.java b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/BidiStringConverter.java
deleted file mode 100644
index 8c7ebda6d3..0000000000
--- a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/BidiStringConverter.java
+++ /dev/null
@@ -1,157 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2007, 2011 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.common.utility.internal;
-
-import java.io.Serializable;
-
-/**
- * Used by various "pluggable" classes to transform objects
- * into strings and vice versa.
- *
- * If anyone can come up with a better class name
- * and/or method name, I would love to hear it. ~bjv
- */
-public interface BidiStringConverter<T>
- extends StringConverter<T>
-{
- /**
- * Convert the specified string into an object.
- * The semantics of "convert to object" is determined by the
- * contract between the client and the server.
- * Typically, if the string is null, null is returned.
- */
- T convertToObject(String s);
-
-
- final class Default<S>
- implements BidiStringConverter<S>, Serializable
- {
- @SuppressWarnings("rawtypes")
- public static final BidiStringConverter INSTANCE = new Default();
- @SuppressWarnings("unchecked")
- public static <R> BidiStringConverter<R> instance() {
- return INSTANCE;
- }
- // ensure single instance
- private Default() {
- super();
- }
- // simply return the object's #toString() result
- public String convertToString(S o) {
- return (o == null) ? null : o.toString();
- }
- // simply return the string
- @SuppressWarnings("unchecked")
- public S convertToObject(String s) {
- return (S) s;
- }
- @Override
- public String toString() {
- return StringTools.buildSingletonToString(this);
- }
- private static final long serialVersionUID = 1L;
- private Object readResolve() {
- // replace this object with the singleton
- return INSTANCE;
- }
- }
-
- final class Disabled<S>
- implements BidiStringConverter<S>, Serializable
- {
- @SuppressWarnings("rawtypes")
- public static final BidiStringConverter INSTANCE = new Disabled();
- @SuppressWarnings("unchecked")
- public static <R> BidiStringConverter<R> instance() {
- return INSTANCE;
- }
- // ensure single instance
- private Disabled() {
- super();
- }
- // throw an exception
- public String convertToString(S o) {
- throw new UnsupportedOperationException();
- }
- // throw an exception
- public S convertToObject(String s) {
- throw new UnsupportedOperationException();
- }
- @Override
- public String toString() {
- return StringTools.buildSingletonToString(this);
- }
- private static final long serialVersionUID = 1L;
- private Object readResolve() {
- // replace this object with the singleton
- return INSTANCE;
- }
- }
-
- final class BooleanConverter
- implements BidiStringConverter<Boolean>, Serializable
- {
- public static final BidiStringConverter<Boolean> INSTANCE = new BooleanConverter();
- public static BidiStringConverter<Boolean> instance() {
- return INSTANCE;
- }
- // ensure single instance
- private BooleanConverter() {
- super();
- }
- /** Return "true" if the Boolean is true, otherwise return "false". */
- public String convertToString(Boolean b) {
- return (b == null) ? null : b.toString();
- }
- /** Return Boolean.TRUE if the string is "true" (case-insensitive), otherwise return Boolean.FALSE. */
- public Boolean convertToObject(String s) {
- return (s == null) ? null : Boolean.valueOf(s);
- }
- @Override
- public String toString() {
- return StringTools.buildSingletonToString(this);
- }
- private static final long serialVersionUID = 1L;
- private Object readResolve() {
- // replace this object with the singleton
- return INSTANCE;
- }
- }
-
- final class IntegerConverter
- implements BidiStringConverter<Integer>, Serializable
- {
- public static final BidiStringConverter<Integer> INSTANCE = new IntegerConverter();
- public static BidiStringConverter<Integer> instance() {
- return INSTANCE;
- }
- // ensure single instance
- private IntegerConverter() {
- super();
- }
- /** Integer's #toString() works well. */
- public String convertToString(Integer integer) {
- return (integer == null) ? null : integer.toString();
- }
- /** Convert the string to an Integer, if possible. */
- public Integer convertToObject(String s) {
- return (s == null) ? null : Integer.valueOf(s);
- }
- @Override
- public String toString() {
- return StringTools.buildSingletonToString(this);
- }
- private static final long serialVersionUID = 1L;
- private Object readResolve() {
- // replace this object with the singleton
- return INSTANCE;
- }
- }
-}

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