| /******************************************************************************* |
| * Copyright (c) 2001, 2005 IBM Corporation and others. |
| * 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jem.internal.proxy.remote; |
| /* |
| * $RCSfile: REMStringBeanTypeProxy.java,v $ |
| * $Revision: 1.3 $ $Date: 2005/08/24 20:39:07 $ |
| */ |
| |
| |
| import org.eclipse.jem.internal.proxy.common.remote.Commands; |
| import org.eclipse.jem.internal.proxy.core.*; |
| |
| /** |
| * Remote Implementation of the BeanType proxy for java.lang.String |
| * Creation date: (2/6/00 9:01:23 AM) |
| * @author: Joe Winchester |
| */ |
| final class REMStringBeanTypeProxy extends REMAbstractBeanTypeProxy implements IREMConstantBeanTypeProxy { |
| // Cache a proxy to an empty string for speed |
| protected final IStringBeanProxy emptyStringProxy; |
| /** |
| * IDEStringBeanTypeProxy constructor comment. |
| * @param aClass java.lang.Class |
| */ |
| REMStringBeanTypeProxy(REMProxyFactoryRegistry aRegistry, IBeanTypeProxy objectTypeProxy) { |
| super(aRegistry, new Integer(Commands.STRING_CLASS), String.class.getName(), objectTypeProxy); |
| |
| // Cache a proxy to an empty string for speed |
| emptyStringProxy = new REMStringBeanProxy(aRegistry, ""); //$NON-NLS-1$ |
| } |
| /** |
| * Helper to create string beans |
| * Package protected because no-one else outside the package should use this, they |
| * must go through the API where you look up a factory first. |
| */ |
| IStringBeanProxy createStringBeanProxy(String aString){ |
| if ( aString.equals("") ) {//$NON-NLS-1$ |
| return emptyStringProxy; |
| } else { |
| return new REMStringBeanProxy(fRegistry, aString); |
| } |
| } |
| |
| /** |
| * Create a new bean proxy with the specified id. |
| * |
| * For all of the primitive wrapper types, this is an invalid operation. They are created |
| * explicitly through the appropriate create method. |
| */ |
| public IREMBeanProxy newBeanProxy(Integer anID) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| /** |
| * newBeanTypeForClass: Create a new beantypeproxy of this kind for the given class. |
| * This is used by beantype proxy factory when creating a beantype proxy for a subclass. |
| * This is because subclasses, unless explicitly overridden, should use the same kind |
| * of beantype proxy. This way if anything special is needed for a specific type, then |
| * that can be done. |
| * |
| * For all of the primitive wrapper types, they are final classes, so you can't create a newBeanType |
| * for subclasses. |
| */ |
| public IREMBeanTypeProxy newBeanTypeForClass(Integer anID, String aClassname, boolean anAbstract) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| /** |
| * newInstance method. String has a default ctor, but it results in the emptyStringProxy, |
| * so return the zeroProxy for this case because that is the default value. |
| */ |
| public IBeanProxy newInstance() { |
| return emptyStringProxy; |
| } |
| |
| /** |
| * newInstance method comment. Put a short cut in for strings so we don't need to go to the remote |
| * vm just to create a string. |
| */ |
| public IBeanProxy newInstance(String initializationString) throws ThrowableProxy, ClassCastException, InstantiationException { |
| if (initializationString.length() <= 1) |
| return super.newInstance(initializationString); // Not large enough for two quotes, so let default handle it. |
| // Need a quick check that it is only one quoted string. Anything else needs to be passed on up. |
| String s = initializationString.trim(); |
| int sl = s.length()-1; |
| if (s.charAt(0) != '"' || s.charAt(sl) != '"') |
| return super.newInstance(initializationString); // No leading and trailing quote. |
| |
| StringBuffer sb = new StringBuffer(sl); |
| boolean escape = false; |
| for (int i=1; i<sl; i++) { |
| char c = s.charAt(i); |
| if (c == '\\') { |
| escape = true; |
| continue; |
| } |
| if (!escape && c == '"') |
| return super.newInstance(initializationString); // Had a quote in the middle without an escape. This means an expression, send on up. |
| escape = false; |
| sb.append(c); |
| } |
| |
| return getProxyFactoryRegistry().getBeanProxyFactory().createBeanProxyWith(sb.toString()); |
| } |
| |
| /** |
| * Create a new bean proxy the ValueObject passed in. |
| * We will assume the object is correct type. |
| */ |
| public IBeanProxy newBeanProxy(Commands.ValueObject value) { |
| return createStringBeanProxy((String) value.anObject); |
| } |
| |
| } |
| |
| |