| /* |
| * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.codemodel.internal; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| |
| /** |
| * JMethod invocation |
| */ |
| public final class JInvocation extends JExpressionImpl implements JStatement { |
| |
| /** |
| * Object expression upon which this method will be invoked, or null if |
| * this is a constructor invocation |
| */ |
| private JGenerable object; |
| |
| /** |
| * Name of the method to be invoked. |
| * Either this field is set, or {@link #method}, or {@link #type} (in which case it's a |
| * constructor invocation.) |
| * This allows {@link JMethod#name(String) the name of the method to be changed later}. |
| */ |
| private String name; |
| |
| private JMethod method; |
| |
| private boolean isConstructor = false; |
| |
| /** |
| * List of argument expressions for this method invocation |
| */ |
| private List<JExpression> args = new ArrayList<JExpression>(); |
| |
| /** |
| * If isConstructor==true, this field keeps the type to be created. |
| */ |
| private JType type = null; |
| |
| /** |
| * Invokes a method on an object. |
| * |
| * @param object |
| * JExpression for the object upon which |
| * the named method will be invoked, |
| * or null if none |
| * |
| * @param name |
| * Name of method to invoke |
| */ |
| JInvocation(JExpression object, String name) { |
| this( (JGenerable)object, name ); |
| } |
| |
| JInvocation(JExpression object, JMethod method) { |
| this( (JGenerable)object, method ); |
| } |
| |
| /** |
| * Invokes a static method on a class. |
| */ |
| JInvocation(JClass type, String name) { |
| this( (JGenerable)type, name ); |
| } |
| |
| JInvocation(JClass type, JMethod method) { |
| this( (JGenerable)type, method ); |
| } |
| |
| private JInvocation(JGenerable object, String name) { |
| this.object = object; |
| if (name.indexOf('.') >= 0) |
| throw new IllegalArgumentException("method name contains '.': " + name); |
| this.name = name; |
| } |
| |
| private JInvocation(JGenerable object, JMethod method) { |
| this.object = object; |
| this.method =method; |
| } |
| |
| /** |
| * Invokes a constructor of an object (i.e., creates |
| * a new object.) |
| * |
| * @param c |
| * Type of the object to be created. If this type is |
| * an array type, added arguments are treated as array |
| * initializer. Thus you can create an expression like |
| * <code>new int[]{1,2,3,4,5}</code>. |
| */ |
| JInvocation(JType c) { |
| this.isConstructor = true; |
| this.type = c; |
| } |
| |
| /** |
| * Add an expression to this invocation's argument list |
| * |
| * @param arg |
| * Argument to add to argument list |
| */ |
| public JInvocation arg(JExpression arg) { |
| if(arg==null) throw new IllegalArgumentException(); |
| args.add(arg); |
| return this; |
| } |
| |
| /** |
| * Adds a literal argument. |
| * |
| * Short for {@code arg(JExpr.lit(v))} |
| */ |
| public JInvocation arg(String v) { |
| return arg(JExpr.lit(v)); |
| } |
| |
| /** |
| * Returns all arguments of the invocation. |
| * @return |
| * If there's no arguments, an empty array will be returned. |
| */ |
| public JExpression[] listArgs() { |
| return args.toArray(new JExpression[args.size()]); |
| } |
| |
| public void generate(JFormatter f) { |
| if (isConstructor && type.isArray()) { |
| // [RESULT] new T[]{arg1,arg2,arg3,...}; |
| f.p("new").g(type).p('{'); |
| } else { |
| if (isConstructor) |
| f.p("new").g(type).p('('); |
| else { |
| String name = this.name; |
| if(name==null) name=this.method.name(); |
| |
| if (object != null) |
| f.g(object).p('.').p(name).p('('); |
| else |
| f.id(name).p('('); |
| } |
| } |
| |
| f.g(args); |
| |
| if (isConstructor && type.isArray()) |
| f.p('}'); |
| else |
| f.p(')'); |
| |
| if( type instanceof JDefinedClass && ((JDefinedClass)type).isAnonymous() ) { |
| ((JAnonymousClass)type).declareBody(f); |
| } |
| } |
| |
| public void state(JFormatter f) { |
| f.g(this).p(';').nl(); |
| } |
| |
| } |