khotyn

Conditional Compile in Java

Considering the piece of the code above:

public class ConditionalCompile {
	private static final boolean DEBUG = false;

	public static void main(String args[]) {
 if(DEBUG){

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Javassist学习笔记

创建一个新类

private static void makeNewClass() throws IOException, CannotCompileException {
    ClassPool classPool = ClassPool.getDefault();
    CtClass cc = classPool.makeClass("Test");
    byte[] bytes = cc.toBytecode();
    FileOutputStream fos = new FileOutputStream("/Users/apple/Desktop/Test.class");

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ASM Notes

Core API

• The ASM library is designed to work on compiled Java classes. It was also designed to be as fast and small as possible.
• ASM provides tools to read, write and transfrom such byte arrays by using higher level concepts then bytes such as numeric constants, strings, Java identifiers, Java types, Java class structure elements.
• The ASM is just a reference to the __asm__ keyword in C.
• The core API provides an event based representation of classes, while the tree API provides an object based representation.
• The CheckClassAdapter class could be used to check if the bytecode generated by ASM is valid.
• The ASMifier class could be usedd to generate the source code of ASM for generating a specific class.

khotyn

#!/bin/sh
eclipseHome="/home/khotyn/softwares/eclipse_java/"
pluginName="$1"
updateSiteURL="$2"
localRepositoryHome="/home/khotyn/softwares/eclipse_plugins/"

cd $eclipseHome
./eclipse -application org.eclipse.equinox.p2.metadata.repository.mirrorApplication -source $updateSiteURL -destination "$localRepositoryHome$pluginName"
./eclipse -application org.eclipse.equinox.p2.artifact.repository.mirrorApplication -source $updateSiteURL -destination "$localRepositoryHome$pluginName"
echo "path=$localRepositoryHome$pluginName" > "$localRepositoryHome$pluginName.link"

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王
江
周
胡
刘
李
吴
毛
温
习

khotyn

from xml.dom.minidom import getDOMImplementation, parse, parseString
import zipfile
import sys

font = """\n<style type='text/css'>\n
            @page {\n
                margin-bottom: 5pt;\n
                margin-top: 5pt\n
                }\n
            @font-face {\n

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/**
 * {@link Integer} will cache the integers between -128 and 127 (inclusive). See
 * {@link Integer#valueOf(int)} for detail implementation.
 * 
 * @author khotyn
 * 
 */
public class IntegerTest {
    public static void main(String[] args) {

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/**
 * Conditional Expression Test. The result is
 * 
 * <pre>
 * 114.0
 * class java.lang.Double
 * </pre>
 * 
 * So why the result is 114.0, the ASCII value of <code>'r'</code>? First, the
 * <code>new Double(0)</code> is convert to primary type <code>double</code>,

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package com.khotyn.test;

/**
 * Created with IntelliJ IDEA.
 * User: khotyn
 * Date: 12-10-18
 * Time: 下午9:14
 * To change this template use File | Settings | File Templates.
 */
public class CircularArray {

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package com.khotyn.test;

import java.lang.instrument.Instrumentation;

public class AgentInstall {
	public static void premain(String agentArgs, Instrumentation inst) {
		InstrumentationHolder.setInstrumentation(inst);
	}
}