X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.databoard%2Fsrc%2Forg%2Fsimantics%2Fdataboard%2Fbinding%2Fimpl%2FByteBindingDefault.java;fp=bundles%2Forg.simantics.databoard%2Fsrc%2Forg%2Fsimantics%2Fdataboard%2Fbinding%2Fimpl%2FByteBindingDefault.java;h=bc599e7589826df048cff3d62647002b8fa97e0d;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git diff --git a/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/impl/ByteBindingDefault.java b/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/impl/ByteBindingDefault.java new file mode 100644 index 000000000..bc599e758 --- /dev/null +++ b/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/impl/ByteBindingDefault.java @@ -0,0 +1,98 @@ +/******************************************************************************* + * Copyright (c) 2010 Association for Decentralized Information Management in + * Industry THTH ry. + * 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: + * VTT Technical Research Centre of Finland - initial API and implementation + *******************************************************************************/ +package org.simantics.databoard.binding.impl; + +import org.simantics.databoard.binding.ByteBinding; +import org.simantics.databoard.binding.error.BindingException; +import org.simantics.databoard.binding.error.UnsupportedOperationException; +import org.simantics.databoard.type.ByteType; + +/** + * Binds ByteType to java.lang.Byte-class + * + * @author Toni Kalajainen + */ +public class ByteBindingDefault extends ByteBinding { + + public ByteBindingDefault(ByteType type) { + super(type); + } + + public Object create(byte value) { + return Byte.valueOf(value); + } + + public Object create(Byte value) { + return value; + } + + @Override + public Object create(Number value) + { + if (value.getClass()==Byte.class) return value; + return Byte.valueOf( value.byteValue() ); + } + + @Override + public Object create(String value) throws BindingException { + try { + return Byte.parseByte(value); + } catch (java.lang.NumberFormatException e) { + throw new BindingException( e ); + } + } + + public Byte getValue(Object obj) + throws BindingException + { + if (obj.getClass()!=Byte.class) throw new BindingException("Unexpected class "+obj.getClass().getSimpleName()+", Byte expected"); + return ((Byte)obj); + } + + public byte getValue_(Object obj) + throws BindingException + { + if (obj.getClass()!=Byte.class) throw new BindingException("Unexpected class "+obj.getClass().getSimpleName()+", Byte expected"); + return ((Byte)obj); + } + + @Override + public void setValue(Object obj, Number value) throws BindingException { + throw new UnsupportedOperationException("Cannot change the value of immutable java.lang.Byte"); + } + + public void setValue(Object obj, byte value) throws BindingException { + throw new UnsupportedOperationException("Cannot change the value of immutable java.lang.Byte"); + } + + @Override + public boolean isInstance(Object obj) { + return obj instanceof Byte; + } + + @Override + public boolean isImmutable() { + return true; + } + + @Override + public int compare(Object o1, Object o2) + { + Byte d1 = (Byte) o1; + Byte d2 = (Byte) o2; + int d = d1-d2; + return d == 0 ? 0 : (d<0?-1:1); + } + + +} +