Java tutorial
/******************************************************************************* * Copyright (c) 2008 Ralf Ebert * 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: * Ralf Ebert - initial API and implementation *******************************************************************************/ package com.swtxml.util.types; import java.util.List; import org.apache.commons.lang.StringUtils; import com.swtxml.util.properties.PropertyMatcher; import com.swtxml.util.properties.PropertyRegistry; import com.swtxml.util.proposals.Match; public class SimpleTypes { public static final IType<String> STRING = new StringType(); public static final IType<Boolean> BOOLEAN = new BooleanType(); public static final IType<Integer> INTEGER = new IntegerType(); public static final IType<Float> FLOAT = new FloatType(); public static final IType<Character> CHARACTER = new CharacterType(); public static final IType<int[]> INT_ARRAY = new IntArrayType(); public static void addSimpleTypes(PropertyRegistry inj) { inj.add(new PropertyMatcher(Boolean.class, Boolean.TYPE), BOOLEAN); inj.add(new PropertyMatcher(Integer.class, Integer.TYPE), INTEGER); inj.add(new PropertyMatcher(Float.class, Float.TYPE), FLOAT); inj.add(new PropertyMatcher(Character.class, Character.TYPE), CHARACTER); inj.add(new PropertyMatcher(String.class), STRING); inj.add(new PropertyMatcher(int[].class), INT_ARRAY); } private static class StringType implements IType<String> { public String convert(String value) { return value; } } private static class BooleanType implements IType<Boolean>, IContentAssistable { public Boolean convert(String value) { return Boolean.parseBoolean(value); } public List<Match> getProposals(Match match) { return match.propose(String.valueOf(true), String.valueOf(false)); } } private static class IntegerType implements IType<Integer> { public Integer convert(String value) { return Integer.parseInt(value); } } private static class FloatType implements IType<Float> { public Float convert(String value) { return Float.parseFloat(value); } } private static class CharacterType implements IType<Character> { public Character convert(String value) { return value.charAt(0); } } private static class IntArrayType implements IType<int[]> { public int[] convert(String value) { String[] intStrings = StringUtils.split(value, ','); int[] ints = new int[intStrings.length]; for (int i = 0; i < ints.length; i++) { ints[i] = Integer.parseInt(intStrings[i]); } return ints; } } }