1/* 2 * Copyright (c) 2004, 2007, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25package sun.jvm.hotspot.utilities.soql; 26 27import sun.jvm.hotspot.oops.*; 28 29/** 30 * Wraps a java.lang.String instance of the target VM. 31 */ 32public class JSJavaString extends JSJavaInstance { 33 public JSJavaString(Instance instance, JSJavaFactory fac) { 34 super(instance, fac); 35 } 36 37 public String toString() { 38 StringBuffer buf = new StringBuffer(); 39 buf.append("String (address="); 40 buf.append(getOop().getHandle()); 41 buf.append(", value="); 42 buf.append("'"); 43 buf.append(getString()); 44 buf.append('\''); 45 buf.append(')'); 46 return buf.toString(); 47 } 48 49 protected Object getFieldValue(String name) { 50 if (name.equals("stringValue")) { 51 return getString(); 52 } else { 53 return super.getFieldValue(name); 54 } 55 } 56 57 protected String[] getFieldNames() { 58 String[] fields = super.getFieldNames(); 59 String[] res = new String[fields.length + 1]; 60 System.arraycopy(fields, 0, res, 0, fields.length); 61 res[fields.length] = "stringValue"; 62 return res; 63 } 64 65 protected boolean hasField(String name) { 66 if (name.equals("stringValue")) { 67 return true; 68 } else { 69 return super.hasField(name); 70 } 71 } 72 73 //-- Internals only below this point 74 private String getString() { 75 return OopUtilities.stringOopToString(getOop()); 76 } 77} 78