X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.databoard%2Fsrc%2Forg%2Fsimantics%2Fdataboard%2Fbinding%2Freflection%2FAsmBindingProvider.java;fp=bundles%2Forg.simantics.databoard%2Fsrc%2Forg%2Fsimantics%2Fdataboard%2Fbinding%2Freflection%2FAsmBindingProvider.java;h=fe08480f0980a64e9b4a8a95a1829cc4b2d27dcd;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git diff --git a/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/reflection/AsmBindingProvider.java b/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/reflection/AsmBindingProvider.java new file mode 100644 index 000000000..fe08480f0 --- /dev/null +++ b/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/reflection/AsmBindingProvider.java @@ -0,0 +1,73 @@ +/******************************************************************************* + * Copyright (c) 2007, 2011 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.reflection; + +import java.lang.reflect.Constructor; +import java.lang.reflect.InvocationTargetException; +import java.util.WeakHashMap; + +import org.simantics.databoard.binding.Binding; +import org.simantics.databoard.binding.RecordBinding; +import org.simantics.databoard.binding.error.BindingConstructionException; +import org.simantics.databoard.type.RecordType; + +/** + * AsmBindingFactory creates code-generated bindings for classes. + * + * @author toni.kalajainen + */ +public class AsmBindingProvider implements RecordBindingProvider { + + WeakHashMap bindingClassLoaders = new WeakHashMap(); + + public AsmBindingProvider() { + } + + @Override + public synchronized RecordBinding provideRecordBinding(Class clazz, RecordType type) + throws BindingConstructionException { + + ClassLoader cl = clazz.getClassLoader(); + if (cl == null) { + cl = Thread.currentThread().getContextClassLoader(); + } + AsmBindingClassLoader bcl = bindingClassLoaders.get(cl); + if ( bcl == null ) { + bcl = new AsmBindingClassLoader(cl); + bindingClassLoaders.put(cl, bcl); + } + + ClassInfo ci = ClassInfo.getInfo(clazz); + try { + Class bindingClass = bcl.getBindingClass( clazz ); + Constructor c = bindingClass.getConstructor( RecordType.class ); + RecordBinding binding = (RecordBinding) c.newInstance( type ); + binding.componentBindings = new Binding[ ci.fields.length ]; + return binding; + } catch (InstantiationException e) { + throw new BindingConstructionException(e); + } catch (IllegalAccessException e) { + throw new BindingConstructionException(e); + } catch (SecurityException e) { + throw new BindingConstructionException(e); + } catch (NoSuchMethodException e) { + throw new BindingConstructionException(e); + } catch (IllegalArgumentException e) { + throw new BindingConstructionException(e); + } catch (InvocationTargetException e) { + throw new BindingConstructionException(e); + } catch (ClassNotFoundException e) { + throw new BindingConstructionException(e); + } + } + +}