1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/samples/javahelp.js Tue Jun 09 14:19:57 2015 +0530
1.3 @@ -0,0 +1,67 @@
1.4 +/*
1.5 + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
1.6 + *
1.7 + * Redistribution and use in source and binary forms, with or without
1.8 + * modification, are permitted provided that the following conditions
1.9 + * are met:
1.10 + *
1.11 + * - Redistributions of source code must retain the above copyright
1.12 + * notice, this list of conditions and the following disclaimer.
1.13 + *
1.14 + * - Redistributions in binary form must reproduce the above copyright
1.15 + * notice, this list of conditions and the following disclaimer in the
1.16 + * documentation and/or other materials provided with the distribution.
1.17 + *
1.18 + * - Neither the name of Oracle nor the names of its
1.19 + * contributors may be used to endorse or promote products derived
1.20 + * from this software without specific prior written permission.
1.21 + *
1.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
1.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
1.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
1.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
1.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
1.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
1.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
1.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
1.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
1.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
1.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.33 + */
1.34 +
1.35 +// script helpers to print meta info on Java instances and classes
1.36 +
1.37 +// print instance methods info on a Java object or static methods info of a Java class
1.38 +function methods(jobj) {
1.39 + if (! Java.isJavaObject(jobj)) {
1.40 + throw new TypeError("not a Java object");
1.41 + }
1.42 +
1.43 + var isStatic = Java.isType(jobj);
1.44 + var obj = Object.bindProperties({}, jobj);
1.45 + for each (var i in obj) {
1.46 + if (Java.isJavaMethod(i)) {
1.47 + var str = String(i);
1.48 + var idx = str.indexOf(' ');
1.49 + var overloaded = str.substring(0, idx).endsWith("OverloadedDynamicMethod");
1.50 + var lastIdx = isStatic? str.lastIndexOf('] on') : str.lastIndexOf(']');
1.51 + print(str.substring(idx + 1, lastIdx) + (overloaded? "*" : ""))
1.52 + }
1.53 + }
1.54 +}
1.55 +
1.56 +// print instance field names of a Java object or static field names of a Java class
1.57 +function fields(jobj) {
1.58 + if (! Java.isJavaObject(jobj)) {
1.59 + throw new TypeError("not a Java object");
1.60 + }
1.61 +
1.62 + var obj = Object.bindProperties({}, jobj);
1.63 + for (var i in obj) {
1.64 + if (! Java.isJavaMethod(obj[i])) {
1.65 + print(i);
1.66 + }
1.67 + }
1.68 +}
1.69 +
1.70 +undefined;
