diff options
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.java | 149 |
1 files changed, 0 insertions, 149 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 056b29ae9f..0000000000 --- a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/BidiStringConverter.java +++ /dev/null @@ -1,149 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2007, 2010 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 "BidiStringConverter.Default"; //$NON-NLS-1$ - } - 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 "BidiStringConverter.Disabled"; //$NON-NLS-1$ - } - 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 "BidiStringConverter.BooleanConverter"; //$NON-NLS-1$ - } - 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 "BidiStringConverter.IntegerConverter"; //$NON-NLS-1$ - } - private static final long serialVersionUID = 1L; - private Object readResolve() { - // replace this object with the singleton - return INSTANCE; - } - } - -} |