diff options
Diffstat (limited to 'files/.vim/autoload/Reflection.java')
| -rw-r--r-- | files/.vim/autoload/Reflection.java | 670 |
1 files changed, 0 insertions, 670 deletions
diff --git a/files/.vim/autoload/Reflection.java b/files/.vim/autoload/Reflection.java deleted file mode 100644 index 5452b0f..0000000 --- a/files/.vim/autoload/Reflection.java +++ /dev/null @@ -1,670 +0,0 @@ -/** - * Reflection.java - * - * A utility class for javacomplete mainly for reading class or package information. - * Version: 0.77 - * Maintainer: cheng fang <fangread@yahoo.com.cn> - * Last Change: 2007-09-16 - * Copyright: Copyright (C) 2007 cheng fang. All rights reserved. - * License: Vim License (see vim's :help license) - * - */ - -import java.lang.reflect.*; -import java.io.*; -import java.util.*; -import java.util.zip.*; - -class Reflection { - static final String VERSION = "0.77"; - - static final int OPTION_FIELD = 1; - static final int OPTION_METHOD = 2; - static final int OPTION_STATIC_FIELD = 4; - static final int OPTION_STATIC_METHOD = 8; - static final int OPTION_CONSTRUCTOR = 16; - static final int OPTION_STATIC = 12; // compound static - static final int OPTION_INSTANCE = 15; // compound instance - static final int OPTION_ALL = 31; // compound all - static final int OPTION_SUPER = 32; - static final int OPTION_SAME_PACKAGE = 64; - - static final int STRATEGY_ALPHABETIC = 128; - static final int STRATEGY_HIERARCHY = 256; - static final int STRATEGY_DEFAULT = 512; - - static final int RETURN_ALL_PACKAGE_INFO = 0x1000; - - static final String KEY_NAME = "'n':"; // "'name':"; - static final String KEY_TYPE = "'t':"; // "'type':"; - static final String KEY_MODIFIER = "'m':"; // "'modifier':"; - static final String KEY_PARAMETERTYPES = "'p':"; // "'parameterTypes':"; - static final String KEY_RETURNTYPE = "'r':"; // "'returnType':"; - static final String KEY_DESCRIPTION = "'d':"; // "'description':"; - static final String KEY_DECLARING_CLASS = "'c':"; // "'declaringclass':"; - - static final String NEWLINE = ""; // "\r\n" - - static boolean debug_mode = false; - - static Hashtable htClasspath = new Hashtable(); - - public static boolean existed(String fqn) { - boolean result = false; - try { - Class.forName(fqn); - result = true; - } - catch (Exception ex) { - } - return result; - } - - public static String existedAndRead(String fqns) { - Hashtable mapPackages = new Hashtable(); // qualified name --> StringBuffer - Hashtable mapClasses = new Hashtable(); // qualified name --> StringBuffer - - for (StringTokenizer st = new StringTokenizer(fqns, ","); st.hasMoreTokens(); ) { - String fqn = st.nextToken(); - try { - Class clazz = Class.forName(fqn); - putClassInfo(mapClasses, clazz); - } - catch (Exception ex) { - String binaryName = fqn; - boolean found = false; - while (true) { - try { - int lastDotPos = binaryName.lastIndexOf('.'); - if (lastDotPos == -1) - break; - binaryName = binaryName.substring(0, lastDotPos) + '$' + binaryName.substring(lastDotPos+1, binaryName.length()); - Class clazz = Class.forName(binaryName); - putClassInfo(mapClasses, clazz); - found = true; - break; - } - catch (Exception e) { - } - } - if (!found) - putPackageInfo(mapPackages, fqn); - } - } - - if (mapPackages.size() > 0 || mapClasses.size() > 0) { - StringBuffer sb = new StringBuffer(4096); - sb.append("{"); - for (Enumeration e = mapPackages.keys(); e.hasMoreElements(); ) { - String s = (String)e.nextElement(); - sb.append("'").append( s.replace('$', '.') ).append("':").append(mapPackages.get(s)).append(","); - } - for (Enumeration e = mapClasses.keys(); e.hasMoreElements(); ) { - String s = (String)e.nextElement(); - sb.append("'").append( s.replace('$', '.') ).append("':").append(mapClasses.get(s)).append(","); - } - sb.append("}"); - return sb.toString(); - } - else - return ""; - } - - private static String getPackageList(String fqn) { - Hashtable mapPackages = new Hashtable(); - putPackageInfo(mapPackages, fqn); - return mapPackages.size() > 0 ? mapPackages.get(fqn).toString() : ""; - } - - private static Hashtable collectClassPath() { - if (!htClasspath.isEmpty()) - return htClasspath; - - // runtime classes - if ("Kaffe".equals(System.getProperty("java.vm.name"))) { - addClasspathesFromDir(System.getProperty("java.home") + File.separator + "share" + File.separator + "kaffe" + File.separator); - } - else if ("GNU libgcj".equals(System.getProperty("java.vm.name"))) { - if (new File(System.getProperty("sun.boot.class.path")).exists()) - htClasspath.put(System.getProperty("sun.boot.class.path"), ""); - } - - if (System.getProperty("java.vendor").toLowerCase(Locale.US).indexOf("microsoft") >= 0) { - // `*.ZIP` files in `Packages` directory - addClasspathesFromDir(System.getProperty("java.home") + File.separator + "Packages" + File.separator); - } - else { - // the following code works for several kinds of JDK - // - JDK1.1: classes.zip - // - JDK1.2+: rt.jar - // - JDK1.4+ of Sun and Apple: rt.jar + jce.jar + jsse.jar - // - JDK1.4 of IBM split rt.jar into core.jar, graphics.jar, server.jar - // combined jce.jar and jsse.jar into security.jar - // - JDK for MacOS X split rt.jar into classes.jar, ui.jar in Classes directory - addClasspathesFromDir(System.getProperty("java.home") + File.separator + "lib" + File.separator); - addClasspathesFromDir(System.getProperty("java.home") + File.separator + "jre" + File.separator + "lib" + File.separator); - addClasspathesFromDir(System.getProperty("java.home") + File.separator + ".." + File.separator + "Classes" + File.separator); - } - - // ext - String extdirs = System.getProperty("java.ext.dirs"); - for (StringTokenizer st = new StringTokenizer(extdirs, File.pathSeparator); st.hasMoreTokens(); ) { - addClasspathesFromDir(st.nextToken() + File.separator); - } - - // user classpath - String classPath = System.getProperty("java.class.path"); - StringTokenizer st = new StringTokenizer(classPath, File.pathSeparator); - while (st.hasMoreTokens()) { - String path = st.nextToken(); - File f = new File(path); - if (!f.exists()) - continue; - - if (path.endsWith(".jar") || path.endsWith(".zip")) - htClasspath.put(f.toString(), ""); - else { - if (f.isDirectory()) - htClasspath.put(f.toString(), ""); - } - } - - return htClasspath; - } - - private static void addClasspathesFromDir(String dirpath) { - File dir = new File(dirpath); - if (dir.isDirectory()) { - String[] items = dir.list(); // use list() instead of listFiles() since the latter are introduced in 1.2 - for (int i = 0; i < items.length; i++) { - File f = new File(dirpath + items[i]); - if (!f.exists()) - continue; - - if (items[i].endsWith(".jar") || items[i].endsWith(".zip") || items[i].endsWith(".ZIP")) { - htClasspath.put(f.toString(), ""); - } - else if (items.equals("classes")) { - if (f.isDirectory()) - htClasspath.put(f.toString(), ""); - } - } - } - } - - - /** - * If name is empty, put all loadable package info into map once. - */ - private static void putPackageInfo(Hashtable map, String name) { - String prefix = name.replace('.', '/') + "/"; - Hashtable subpackages = new Hashtable(); - Hashtable classes = new Hashtable(); - for (Enumeration e = collectClassPath().keys(); e.hasMoreElements(); ) { - String path = (String)e.nextElement(); - if (path.endsWith(".jar") || path.endsWith(".zip")) - appendListFromJar(subpackages, classes, path, prefix); - else - appendListFromFolder(subpackages, classes, path, prefix); - } - - if (subpackages.size() > 0 || classes.size() > 0) { - StringBuffer sb = new StringBuffer(1024); - sb.append("{'tag':'PACKAGE','subpackages':["); - for (Enumeration e = subpackages.keys(); e.hasMoreElements(); ) { - sb.append("'").append(e.nextElement()).append("',"); - } - sb.append("],'classes':["); - for (Enumeration e = classes.keys(); e.hasMoreElements(); ) { - sb.append("'").append(e.nextElement()).append("',"); - } - sb.append("]}"); - map.put(name, sb.toString()); - } - } - - public static void appendListFromJar(Hashtable subpackages, Hashtable classes, String path, String prefix) { - try { - for (Enumeration entries = new ZipFile(path).entries(); entries.hasMoreElements(); ) { - String entry = entries.nextElement().toString(); - int len = entry.length(); - if (entry.endsWith(".class") && entry.indexOf('$') == -1 - && entry.startsWith(prefix)) { - int splitPos = entry.indexOf('/', prefix.length()); - String shortname = entry.substring(prefix.length(), splitPos == -1 ? entry.length()-6 : splitPos); - if (splitPos == -1) { - if (!classes.containsKey(shortname)) - classes.put(shortname, ""); //classes.put(shortname, "{'tag':'CLASSDEF','name':'"+shortname+"'}"); - } - else { - if (!subpackages.containsKey(shortname)) - subpackages.put(shortname, ""); //subpackages.put(shortname, "{'tag':'PACKAGE','name':'" +shortname+"'}"); - } - } - } - } - catch (Throwable e) { - //e.printStackTrace(); - } - } - - public static void appendListFromFolder(Hashtable subpackages, Hashtable classes, String path, String prefix) { - try { - String fullPath = path + "/" + prefix; - File file = new File(fullPath); - if (file.isDirectory()) { - String[] descents = file.list(); - for (int i = 0; i < descents.length; i++) { - if (descents[i].indexOf('$') == -1) { - if (descents[i].endsWith(".class")) { - String shortname = descents[i].substring(0, descents[i].length()-6); - if (!classes.containsKey(shortname)) - classes.put(shortname, ""); - } - else if ((new File(fullPath + "/" + descents[i])).isDirectory()) { - if (!subpackages.containsKey(descents[i])) - subpackages.put(descents[i], ""); - } - } - } - } - } - catch (Throwable e) { - } - } - - private static int INDEX_PACKAGE = 0; - private static int INDEX_CLASS = 1; - - // generate information of all packages in jar files. - public static String getPackageList() { - Hashtable map = new Hashtable(); - - for (Enumeration e = collectClassPath().keys(); e.hasMoreElements(); ) { - String path = (String)e.nextElement(); - if (path.endsWith(".jar") || path.endsWith(".zip")) - appendListFromJar(path, map); - } - - StringBuffer sb = new StringBuffer(4096); - sb.append("{"); - //sb.append("'*':'").append( map.remove("") ).append("',"); // default package - for (Enumeration e = map.keys(); e.hasMoreElements(); ) { - String s = (String)e.nextElement(); - StringBuffer[] sbs = (StringBuffer[])map.get(s); - sb.append("'").append( s.replace('/', '.') ).append("':") - .append("{'tag':'PACKAGE'"); - if (sbs[INDEX_PACKAGE].length() > 0) - sb.append(",'subpackages':[").append(sbs[INDEX_PACKAGE]).append("]"); - if (sbs[INDEX_CLASS].length() > 0) - sb.append(",'classes':[").append(sbs[INDEX_CLASS]).append("]"); - sb.append("},"); - } - sb.append("}"); - return sb.toString(); - - } - - public static void appendListFromJar(String path, Hashtable map) { - try { - for (Enumeration entries = new ZipFile(path).entries(); entries.hasMoreElements(); ) { - String entry = entries.nextElement().toString(); - int len = entry.length(); - if (entry.endsWith(".class") && entry.indexOf('$') == -1) { - int slashpos = entry.lastIndexOf('/'); - String parent = entry.substring(0, slashpos); - String child = entry.substring(slashpos+1, len-6); - putItem(map, parent, child, INDEX_CLASS); - - slashpos = parent.lastIndexOf('/'); - if (slashpos != -1) { - AddToParent(map, parent.substring(0, slashpos), parent.substring(slashpos+1)); - } - } - } - } - catch (Throwable e) { - //e.printStackTrace(); - } - } - - public static void putItem(Hashtable map, String parent, String child, int index) { - StringBuffer[] sbs = (StringBuffer[])map.get(parent); - if (sbs == null) { - sbs = new StringBuffer[] { new StringBuffer(256), // packages - new StringBuffer(256) // classes - }; - } - if (sbs[index].toString().indexOf("'" + child + "',") == -1) - sbs[index].append("'").append(child).append("',"); - map.put(parent, sbs); - } - - public static void AddToParent(Hashtable map, String parent, String child) { - putItem(map, parent, child, INDEX_PACKAGE); - - int slashpos = parent.lastIndexOf('/'); - if (slashpos != -1) { - AddToParent(map, parent.substring(0, slashpos), parent.substring(slashpos+1)); - } - } - - - public static String getClassInfo(String className) { - Hashtable mapClasses = new Hashtable(); - try { - Class clazz = Class.forName(className); - putClassInfo(mapClasses, clazz); - } - catch (Exception ex) { - } - - if (mapClasses.size() == 1) { - return mapClasses.get(className).toString(); // return {...} - } - else if (mapClasses.size() > 1) { - StringBuffer sb = new StringBuffer(4096); - sb.append("["); - for (Enumeration e = mapClasses.keys(); e.hasMoreElements(); ) { - String s = (String)e.nextElement(); - sb.append(mapClasses.get(s)).append(","); - } - sb.append("]"); - return sb.toString(); // return [...] - } - else - return ""; - } - - private static void putClassInfo(Hashtable map, Class clazz) { - if (map.containsKey(clazz.getName())) - return ; - - try { - StringBuffer sb = new StringBuffer(1024); - sb.append("{") - .append("'tag':'CLASSDEF',").append(NEWLINE) - .append("'flags':'").append(Integer.toString(clazz.getModifiers(), 2)).append("',").append(NEWLINE) - .append("'name':'").append(clazz.getName().replace('$', '.')).append("',").append(NEWLINE) - //.append("'package':'").append(clazz.getPackage().getName()).append("',").append(NEWLINE) // no getPackage() in JDK1.1 - .append("'classpath':'1',").append(NEWLINE) - .append("'fqn':'").append(clazz.getName().replace('$', '.')).append("',").append(NEWLINE); - - Class[] interfaces = clazz.getInterfaces(); - if (clazz.isInterface()) { - sb.append("'extends':["); - } else { - Class superclass = clazz.getSuperclass(); - if (superclass != null && !"java.lang.Object".equals(superclass.getName())) { - sb.append("'extends':['").append(superclass.getName().replace('$', '.')).append("'],").append(NEWLINE); - putClassInfo(map, superclass); // !! - } - sb.append("'implements':["); - } - for (int i = 0, n = interfaces.length; i < n; i++) { - sb.append("'").append(interfaces[i].getName().replace('$', '.')).append("',"); - putClassInfo(map, interfaces[i]); // !! - } - sb.append("],").append(NEWLINE);; - - Constructor[] ctors = clazz.getConstructors(); - sb.append("'ctors':["); - for (int i = 0, n = ctors.length; i < n; i++) { - Constructor ctor = ctors[i]; - sb.append("{"); - appendModifier(sb, ctor.getModifiers()); - appendParameterTypes(sb, ctor.getParameterTypes()); - sb.append(KEY_DESCRIPTION).append("'").append(ctors[i].toString()).append("'"); - sb.append("},").append(NEWLINE); - } - sb.append("], ").append(NEWLINE); - - Field[] fields = clazz.getFields(); - //java.util.Arrays.sort(fields, comparator); - sb.append("'fields':["); - for (int i = 0, n = fields.length; i < n; i++) { - Field f = fields[i]; - int modifier = f.getModifiers(); - sb.append("{"); - sb.append(KEY_NAME).append("'").append(f.getName()).append("',"); - if (!f.getDeclaringClass().getName().equals(clazz.getName())) - sb.append(KEY_DECLARING_CLASS).append("'").append(f.getDeclaringClass().getName()).append("',"); - appendModifier(sb, modifier); - sb.append(KEY_TYPE).append("'").append(f.getType().getName()).append("'"); - sb.append("},").append(NEWLINE); - } - sb.append("], ").append(NEWLINE); - - Method[] methods = clazz.getMethods(); - //java.util.Arrays.sort(methods, comparator); - sb.append("'methods':["); - for (int i = 0, n = methods.length; i < n; i++) { - Method m = methods[i]; - int modifier = m.getModifiers(); - sb.append("{"); - sb.append(KEY_NAME).append("'").append(m.getName()).append("',"); - if (!m.getDeclaringClass().getName().equals(clazz.getName())) - sb.append(KEY_DECLARING_CLASS).append("'").append(m.getDeclaringClass().getName()).append("',"); - appendModifier(sb, modifier); - sb.append(KEY_RETURNTYPE).append("'").append(m.getReturnType().getName()).append("',"); - appendParameterTypes(sb, m.getParameterTypes()); - sb.append(KEY_DESCRIPTION).append("'").append(m.toString()).append("'"); - sb.append("},").append(NEWLINE); - } - sb.append("], ").append(NEWLINE); - - Class[] classes = clazz.getClasses(); - sb.append("'classes': ["); - for (int i = 0, n = classes.length; i < n; i++) { - Class c = classes[i]; - sb.append("'").append(c.getName().replace('$', '.')).append("',"); - putClassInfo(map, c); // !! - } - sb.append("], ").append(NEWLINE); - - appendDeclaredMembers(map, clazz, sb); - - sb.append("}"); - map.put(clazz.getName(), sb); - } - catch (Exception ex) { - //ex.printStackTrace(); - } - } - - private static void appendDeclaredMembers(Hashtable map, Class clazz, StringBuffer sb) { - Constructor[] ctors = clazz.getDeclaredConstructors(); - sb.append("'declared_ctors':["); - for (int i = 0, n = ctors.length; i < n; i++) { - Constructor ctor = ctors[i]; - if (!Modifier.isPublic(ctor.getModifiers())) { - sb.append("{"); - appendModifier(sb, ctor.getModifiers()); - appendParameterTypes(sb, ctor.getParameterTypes()); - sb.append(KEY_DESCRIPTION).append("'").append(ctors[i].toString()).append("'"); - sb.append("},").append(NEWLINE); - } - } - sb.append("], ").append(NEWLINE); - - Field[] fields = clazz.getDeclaredFields(); - sb.append("'declared_fields':["); - for (int i = 0, n = fields.length; i < n; i++) { - Field f = fields[i]; - int modifier = f.getModifiers(); - if (!Modifier.isPublic(modifier)) { - sb.append("{"); - sb.append(KEY_NAME).append("'").append(f.getName()).append("',"); - if (!f.getDeclaringClass().getName().equals(clazz.getName())) - sb.append(KEY_DECLARING_CLASS).append("'").append(f.getDeclaringClass().getName()).append("',"); - appendModifier(sb, modifier); - sb.append(KEY_TYPE).append("'").append(f.getType().getName()).append("'"); - sb.append("},").append(NEWLINE); - } - } - sb.append("], ").append(NEWLINE); - - Method[] methods = clazz.getDeclaredMethods(); - sb.append("'declared_methods':["); - for (int i = 0, n = methods.length; i < n; i++) { - Method m = methods[i]; - int modifier = m.getModifiers(); - if (!Modifier.isPublic(modifier)) { - sb.append("{"); - sb.append(KEY_NAME).append("'").append(m.getName()).append("',"); - if (!m.getDeclaringClass().getName().equals(clazz.getName())) - sb.append(KEY_DECLARING_CLASS).append("'").append(m.getDeclaringClass().getName()).append("',"); - appendModifier(sb, modifier); - sb.append(KEY_RETURNTYPE).append("'").append(m.getReturnType().getName()).append("',"); - appendParameterTypes(sb, m.getParameterTypes()); - sb.append(KEY_DESCRIPTION).append("'").append(m.toString()).append("'"); - sb.append("},").append(NEWLINE); - } - } - sb.append("], ").append(NEWLINE); - - Class[] classes = clazz.getDeclaredClasses(); - sb.append("'declared_classes': ["); - for (int i = 0, n = classes.length; i < n; i++) { - Class c = classes[i]; - if (!Modifier.isPublic(c.getModifiers())) { - sb.append("'").append(c.getName().replace('$', '.')).append("',"); - putClassInfo(map, c); // !! - } - } - sb.append("], ").append(NEWLINE); - } - - private static void appendModifier(StringBuffer sb, int modifier) { - sb.append(KEY_MODIFIER).append("'").append(Integer.toString(modifier, 2)).append("', "); - } - - private static void appendParameterTypes(StringBuffer sb, Class[] paramTypes) { - if (paramTypes.length == 0) return ; - - sb.append(KEY_PARAMETERTYPES).append("["); - for (int j = 0; j < paramTypes.length; j++) { - sb.append("'").append(paramTypes[j].getName()).append("',"); - } - sb.append("],"); - } - - private static boolean isBlank(String str) { - int len; - if (str == null || (len = str.length()) == 0) - return true; - for (int i = 0; i < len; i++) - if ((Character.isWhitespace(str.charAt(i)) == false)) - return false; - return true; - } - - // test methods - - static void debug(String s) { - if (debug_mode) - System.out.println(s); - } - static void output(String s) { - if (!debug_mode) - System.out.print(s); - } - - - private static void usage() { - System.out.println("Reflection for javacomplete (" + VERSION + ")"); - System.out.println(" java [-classpath] Reflection [-c] [-d] [-e] [-h] [-v] [-p] [-s] name[,comma_separated_name_list]"); - System.out.println("Options:"); - System.out.println(" -a list all members in alphabetic order"); - System.out.println(" -c list constructors"); - System.out.println(" -C return class info"); - System.out.println(" -d default strategy, i.e. instance fields, instance methods, static fields, static methods"); - System.out.println(" -e check class existed"); - System.out.println(" -E check class existed and read class information"); - System.out.println(" -D debug mode"); - System.out.println(" -p list package content"); - System.out.println(" -P print all package info in the Vim dictionary format"); - System.out.println(" -s list static fields and methods"); - System.out.println(" -h help"); - System.out.println(" -v version"); - } - - public static void main(String[] args) { - String className = null; - int option = 0x0; - boolean wholeClassInfo = false; - boolean onlyStatic = false; - boolean onlyConstructor = false; - boolean listPackageContent = false; - boolean checkExisted = false; - boolean checkExistedAndRead = false; - boolean allPackageInfo = false; - - for (int i = 0, n = args.length; i < n && !isBlank(args[i]); i++) { - //debug(args[i]); - if (args[i].charAt(0) == '-') { - if (args[i].length() > 1) { - switch (args[i].charAt(1)) { - case 'a': - break; - case 'c': // request constructors - option = option | OPTION_CONSTRUCTOR; - onlyConstructor = true; - break; - case 'C': // class info - wholeClassInfo = true; - break; - case 'd': // default strategy - option = option | STRATEGY_DEFAULT; - break; - case 'D': // debug mode - debug_mode = true; - break; - case 'e': // class existed - checkExisted = true; - break; - case 'E': // check existed and read class information - checkExistedAndRead = true; - break; - case 'h': // help - usage(); - return ; - case 'v': // version - System.out.println("Reflection for javacomplete (" + VERSION + ")"); - break; - case 'p': - listPackageContent = true; - break; - case 'P': - option = RETURN_ALL_PACKAGE_INFO; - break; - case 's': // request static members - option = option | OPTION_STATIC_METHOD | OPTION_STATIC_FIELD; - onlyStatic = true; - break; - default: - } - } - } - else { - className = args[i]; - } - } - if (className == null && (option & RETURN_ALL_PACKAGE_INFO) != RETURN_ALL_PACKAGE_INFO) { - return; - } - if (option == 0x0) - option = OPTION_INSTANCE; - - if (wholeClassInfo) - output( getClassInfo(className) ); - else if ((option & RETURN_ALL_PACKAGE_INFO) == RETURN_ALL_PACKAGE_INFO) - output( getPackageList() ); - else if (checkExistedAndRead) - output( existedAndRead(className) ); - else if (checkExisted) - output( String.valueOf(existed(className)) ); - else if (listPackageContent) - output( getPackageList(className) ); - } -} |