Mercurial > projects > dwt2
view org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/conversion/StringToCharacterConverter.d @ 78:0a55d2d5a946
Added file for databinding
author | Frank Benoit <benoit@tionex.de> |
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date | Tue, 14 Apr 2009 11:35:29 +0200 |
parents | |
children | 6be48cf9f95c |
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/* * Copyright cast(C) 2005 db4objects Inc. http://www.db4o.com * * 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: * db4objects - Initial API and implementation * Matt Carter - Improved primitive conversion support (bug 197679) */ module org.eclipse.core.internal.databinding.conversion.StringToCharacterConverter; import java.lang.all; import org.eclipse.core.databinding.conversion.IConverter; /** * StringToCharacterConverter. */ public class StringToCharacterConverter : IConverter { private final bool primitiveTarget; /** * * @param primitiveTarget */ public this(bool primitiveTarget) { this.primitiveTarget = primitiveTarget; } /* * (non-Javadoc) * * @see org.eclipse.jface.binding.converter.IConverter#convert(java.lang.Object) */ public Object convert(Object source) { if (source !is null && !( null !is cast(String)source )) throw new IllegalArgumentException( "String2Character: Expected type String, got type [" + source.getClass().getName() + "]"); //$NON-NLS-1$ //$NON-NLS-2$ String s = cast(String) source; if (source is null || s.equals("")) { //$NON-NLS-1$ if (primitiveTarget) throw new IllegalArgumentException( "String2Character: cannot convert null/empty string to character primitive"); //$NON-NLS-1$ return null; } Character result; if (s.length() > 1) throw new IllegalArgumentException( "String2Character: string too long: " + s); //$NON-NLS-1$ try { result = new Character(s.charAt(0)); } catch (Exception e) { throw new IllegalArgumentException( "String2Character: " + e.getMessage() + ": " + s); //$NON-NLS-1$ //$NON-NLS-2$ } return result; } public Object getFromType() { return String.classinfo; } public Object getToType() { return primitiveTarget ? Character.TYPE : Character.classinfo; } /** * @param primitive * @return converter */ public static StringToCharacterConverter toCharacter(bool primitive) { return new StringToCharacterConverter(primitive); } }