src/jdk.jdi/share/classes/com/sun/tools/jdi/StringReferenceImpl.java
changeset 47216 71c04702a3d5
parent 45714 1820d351198d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.jdi/share/classes/com/sun/tools/jdi/StringReferenceImpl.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 1998, 2017, 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.tools.jdi;
+
+import com.sun.jdi.StringReference;
+import com.sun.jdi.Value;
+import com.sun.jdi.VirtualMachine;
+
+public class StringReferenceImpl extends ObjectReferenceImpl
+    implements StringReference
+{
+    private String value;
+
+    StringReferenceImpl(VirtualMachine aVm, long aRef) {
+        super(aVm, aRef);
+    }
+
+    public String value() {
+        if (value == null) {
+            // Does not need synchronization, since worst-case
+            // static info is fetched twice
+            try {
+                value = JDWP.StringReference.Value.
+                    process(vm, this).stringValue;
+            } catch (JDWPException exc) {
+                throw exc.toJDIException();
+            }
+        }
+        return value;
+    }
+
+    public String toString() {
+        return "\"" + value() + "\"";
+    }
+
+    byte typeValueKey() {
+        return JDWP.Tag.STRING;
+    }
+}