ide/editor/src/main/java/org/apidesign/bck2brwsr/ide/editor/JNIHelper.java
branchcanvas
changeset 1439 6c04b26f9a9a
parent 1438 03cd1b3e2e70
parent 1437 3ec3ae9699ef
child 1440 c943709738df
     1.1 --- a/ide/editor/src/main/java/org/apidesign/bck2brwsr/ide/editor/JNIHelper.java	Tue Feb 11 10:48:24 2014 +0100
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,80 +0,0 @@
     1.4 -/**
     1.5 - * Back 2 Browser Bytecode Translator
     1.6 - * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
     1.7 - *
     1.8 - * This program is free software: you can redistribute it and/or modify
     1.9 - * it under the terms of the GNU General Public License as published by
    1.10 - * the Free Software Foundation, version 2 of the License.
    1.11 - *
    1.12 - * This program is distributed in the hope that it will be useful,
    1.13 - * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.14 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.15 - * GNU General Public License for more details.
    1.16 - *
    1.17 - * You should have received a copy of the GNU General Public License
    1.18 - * along with this program. Look for COPYING file in the top folder.
    1.19 - * If not, see http://opensource.org/licenses/GPL-2.0.
    1.20 - */
    1.21 -package org.apidesign.bck2brwsr.ide.editor;
    1.22 -
    1.23 -import java.lang.reflect.Method;
    1.24 -import java.util.HashMap;
    1.25 -import java.util.Map;
    1.26 -
    1.27 -/**
    1.28 - * JNI Helper.
    1.29 - * To facilitate lookup of methods by name and signature, instead of manually parsing signatures,
    1.30 - * constructs the map of all methods and uses Class.getName() to generate almost-correct signatures.
    1.31 - */
    1.32 -class JNIHelper {
    1.33 -
    1.34 -    static Method method(String clazz, String method, String signature) {
    1.35 -        final Map<String, Method> methods = methodMap(JNIHelper.clazz(clazz));
    1.36 -        return methods.get(methodKey(method, signature));
    1.37 -    }
    1.38 -
    1.39 -    static Class<?> clazz(String clazz) {
    1.40 -        try {
    1.41 -            return Class.forName(clazz);
    1.42 -        } catch (ClassNotFoundException e) {
    1.43 -            throw new IllegalArgumentException(e);
    1.44 -        }
    1.45 -    }
    1.46 -
    1.47 -    static Map<String, Method> methodMap(final Class<?> clazz) {
    1.48 -        final Map<String, Method> map = new HashMap<String, Method>();
    1.49 -        final Method[] methods = clazz.getDeclaredMethods();
    1.50 -        for (int i = 0; i < methods.length; i++) {
    1.51 -            final Method method = methods[i];
    1.52 -            map.put(methodKey(method.getName(), signature(method)), method);
    1.53 -        }
    1.54 -        return map;
    1.55 -    }
    1.56 -
    1.57 -    static String methodKey(String method, String signature) {
    1.58 -        return method + '@' + signature;
    1.59 -    }
    1.60 -
    1.61 -    static String signature(final Method method) {
    1.62 -        final Class<?>[] parameterTypes = method.getParameterTypes();
    1.63 -        final StringBuilder b = new StringBuilder();
    1.64 -        for (int j = 0; j < parameterTypes.length; j++) {
    1.65 -            b.append(signature(parameterTypes[j]));
    1.66 -        }
    1.67 -        return b.toString();
    1.68 -    }
    1.69 -
    1.70 -    static String signature(final Class<?> clazz) {
    1.71 -        if (clazz == boolean.class) return "Z";
    1.72 -        else if (clazz == byte.class) return "B";
    1.73 -        else if (clazz == char.class) return "C";
    1.74 -        else if (clazz == double.class) return "D";
    1.75 -        else if (clazz == float.class) return "F";
    1.76 -        else if (clazz == int.class) return "I";
    1.77 -        else if (clazz == long.class) return "J";
    1.78 -        else if (clazz == short.class) return "S";
    1.79 -        else if (clazz == void.class) return "V";
    1.80 -        else if (clazz.isArray()) return clazz.getName().replace('.','/');
    1.81 -        else return "L" + clazz.getName().replace('.','/') + ";";
    1.82 -    }
    1.83 -}