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OSGi and Hadoop and Node.js

TiGERTiAN — Mon, 23 Feb 2015 02:12:00 GMT

OSGi--Open Service Gateway initiative(开放服务网兛_��?span style="color: #545454; font-family: arial, sans-serif; font-size: small; font-weight: bold; line-height: 18.2000007629395px; background-color: #ffffff;">)

http://www.osgi.org/Technology/HomePage

Hadoop

http://hadoop.apache.org/

Node.js

https://cnodejs.org/

http://nodejs.org/

TiGERTiAN 2015-02-23 10:12 发表评论

javacc工具��记

TiGERTiAN — Sat, 31 Jan 2015 05:12:00 GMT

https://javacc.java.net/

Java Compiler Compiler ^tm (JavaCC ^tm) is the most popular parser generator for use with Java ^tm applications. A parser generator is a tool that reads a grammar specification and converts it to a Java program that can recognize matches to the grammar. In addition to the parser generator itself, JavaCC provides other standard capabilities related to parser generation such as tree building (via a tool called JJTree included with JavaCC), actions, debugging, etc.

下蝲后的使用方式�Q�Mac&Linux�Q�：

echo 'java -cp /path/to/javacc.jar $(basename $0) "$@"' > javacc

chmod 755 javacc

ln -s javacc jjtree

ln -s javacc jjdoc

TiGERTiAN 2015-01-31 13:12 发表评论

TiGERTiAN — Thu, 07 Oct 2010 08:43:00 GMT

Administrator
NLR8ZC-855550-68587856625436280

yddcode
Serial: lLR8ZC-855550-6858795439845000

�?013�q�过�?

TiGERTiAN 2010-10-07 16:43 发表评论

OtaNotifier.java

TiGERTiAN — Mon, 10 May 2010 08:33:00 GMT

TiGERTiAN 2010-05-10 16:33 发表评论

Java中无�W�号整数

TiGERTiAN — Mon, 03 May 2010 01:18:00 GMT

无符��h��都可以用BigInteger来完成表玎ͼ�他自�w�附带了很多计算�Ҏ��Q�可以有效地完成无符��h��的计��工作�?br />

/**
     * 逆�{字节数组
     *
     * @param b
     * @return
     */
    private static byte[] reverse(byte[] b) {

        byte[] temp = new byte[b.length];
        for (int i = 0; i < b.length; i++) {
            temp[i] = b[b.length - 1 - i];
        }
        return temp;
    }

    /**
     * ��d��无符号位的Short敎ͼ�16�?br />      *
     * @param readBuffer
     * @return
     * @throws IOException
     */
    private static final BigInteger readUnsignedShort(byte[] readBuffer)
            throws IOException {
        if (readBuffer == null || readBuffer.length < 2)
            return new BigInteger("0");
        // 处理成无�W�号�?/span>
        byte[] uint64 = new byte[3];
        uint64[2] = 0;
        System.arraycopy(readBuffer, 0, uint64, 0, 2);
        return new BigInteger(reverse(uint64));
    }

    /**
     * ��d��无符号位的长整数�Q?4�?br />      *
     * @param readBuffer
     * @return
     * @throws IOException
     */
    private static final BigInteger readUnsignedInt64(byte[] readBuffer)
            throws IOException {
        if (readBuffer == null || readBuffer.length < 8)
            return new BigInteger("0");
        // 处理成无�W�号�?/span>
        byte[] uint64 = new byte[9];
        uint64[8] = 0;
        System.arraycopy(readBuffer, 0, uint64, 0, 8);
        return new BigInteger(reverse(uint64));
    }

TiGERTiAN 2010-05-03 09:18 发表评论

TiGERTiAN — Sun, 02 May 2010 14:25:00 GMT

开发的时候发玎ͼ�C#写入的字节顺序是从低到高�Q�左低到右高�Q�，而Java的DataInputStream��d��的数据是从高��C��Q�左高到右低�Q�，所以当我们要用Java��d��C#生成的二�q�制文�g的时候，需要将DataInputStream里面的几个方法重写或者写一些辅助方法，例如下面两个函数是用来读取C#写入的无�W�号Short型和无符号长整型数据�?nbsp;

/**
     * 逆�{字节数组
     *
     * @param b
     * @return
     */
    private static byte[] reverse(byte[] b) {

        byte[] temp = new byte[b.length];
        for (int i = 0; i < b.length; i++) {
            temp[i] = b[b.length - 1 - i];
        }
        return temp;
    }

    /**
     * ��d��无符号位的Short敎ͼ�16�?br />      *
     * @param readBuffer
     * @return
     * @throws IOException
     */
    public static final BigInteger readUnsignedShort(byte[] readBuffer)
            throws IOException {
        if (readBuffer == null || readBuffer.length < 2)
            return new BigInteger("0");
        // 处理成无�W�号�?/span>
        byte[] uint64 = new byte[3];
        uint64[2] = 0;
        System.arraycopy(readBuffer, 0, uint64, 0, 2);
        return new BigInteger(reverse(uint64));
    }

    /**
     * ��d��无符号位的长整数�Q?4�?br />      *
     * @param readBuffer
     * @return
     * @throws IOException
     */
    public static final BigInteger readUnsignedInt64(byte[] readBuffer)
            throws IOException {
        if (readBuffer == null || readBuffer.length < 8)
            return new BigInteger("0");
        // 处理成无�W�号�?/span>
        byte[] uint64 = new byte[9];
        uint64[8] = 0;
        System.arraycopy(readBuffer, 0, uint64, 0, 8);
        return new BigInteger(reverse(uint64));
    }

TiGERTiAN 2010-05-02 22:25 发表评论

TiGERTiAN — Thu, 11 Mar 2010 14:04:00 GMT

1、安装repo

To install, initialize, and configure Repo, follow these steps:

1. Make sure you have a ~/bin directory in your home directory, and check to be sure that this bin directory is in your path:�? $ cd ~�? $ mkdir bin�? $ echo $PATH

2. Download the repo script and make sure it is executable:�? curl http://android.git.kernel.org/repo >~/bin/repo$ chmod a+x ~/bin/repo

如果repo不在PATH中，则需要进行添加，可以使用

export PATH=$PATH:your_path

命��o。当然如果不��d��Q�在�q�行repo的时候就要加入完整�\�?/div>

2、安装git�Q�core

可以下蝲Macport�Q�然后��用sudo port selfupdate更新�?/div>

3、下载源代码

To clone one of these trees, install git, and run:

git clone git://android.git.kernel.org/ + project path.

To clone the entire platform, install repo, and run:

mkdir mydroid

cd mydroid

repo init -u git://android.git.kernel.org/platform/manifest.git

repo sync

可以使用repo的方式下载完整源代码

TiGERTiAN 2010-03-11 22:04 发表评论

[转]Java通过XML Schema校验XML

TiGERTiAN — Thu, 11 Mar 2010 03:11:00 GMT

XML文�g

xml version="1.0"?>
<note
        xmlns="http://www.w3school.com.cn"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://www.w3school.com.cn file:///D:/_dev_stu/xsdtest/src/note.xml">

    <to>Georgeto>
    <from>Johnfrom>
    <heading>Reminderheading>
    <body>Don't forget the meeting this weekend!body>
note>

XSD文�g

xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
           targetNamespace="http://www.w3school.com.cn"
           xmlns="http://www.w3school.com.cn"
           elementFormDefault="qualified">

    <xs:element name="note">
        <xs:complexType>
            <xs:sequence>
                <xs:element name="to" type="xs:string"/>
                <xs:element name="from" type="xs:string"/>
                <xs:element name="heading" type="xs:string"/>
                <xs:element name="body" type="xs:string"/>
            xs:sequence>
        xs:complexType>
    xs:element>

xs:schema>

��试代码

import org.dom4j.Document;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.SAXReader;
import org.dom4j.io.SAXValidator;
import org.dom4j.io.XMLWriter;
import org.dom4j.util.XMLErrorHandler;

import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import java.io.File;

/**
* Java XML校验��试
*
* @author leizhimin�Q?008-9-4 14:42:35
*/
public class ValidataXMLTest {
    public static void main(String[] args) {
        validateXMLByXSD();
        validateXMLByDTD();

    }

    /**
     * 通过XSD�Q�XML Schema�Q�校验XML
     */
    public static void validateXMLByXSD() {
        String xmlFileName = "Q:\\_dev_stu\\xsdtest\\src\\note.xml";
        String xsdFileName = "Q:\\_dev_stu\\xsdtest\\src\\note.xsd";
        try {
            //创徏默认的XML错误处理�?
            XMLErrorHandler errorHandler = new XMLErrorHandler();
            //获取��Z�� SAX 的解析器的实�?
            SAXParserFactory factory = SAXParserFactory.newInstance();
            //解析器在解析旉��?XML 内容�?
            factory.setValidating(true);
            //指定由此代码生成的解析器��提供对 XML 名称�I�间的支持�?
            factory.setNamespaceAware(true);
            //使用当前配置的工厂参数创�?SAXParser 的一个新实例�?
            SAXParser parser = factory.newSAXParser();
            //创徏一个读取工�?
            SAXReader xmlReader = new SAXReader();
            //获取要校验xml文档实例
            Document xmlDocument = (Document) xmlReader.read(new File(xmlFileName));
            //讄�� XMLReader 的基��实现中的特定属性。核心功能和属性列表可以在 [url]http://sax.sourceforge.net/?selected=get-set[/url] 中找到�?
            parser.setProperty(
                    "http://java.sun.com/xml/jaxp/properties/schemaLanguage",
                    "http://www.w3.org/2001/XMLSchema");
            parser.setProperty(
                    "http://java.sun.com/xml/jaxp/properties/schemaSource",
                    "file:" + xsdFileName);
            //创徏一个SAXValidator校验工具�Q��ƈ讄��校验工具的属�?
            SAXValidator validator = new SAXValidator(parser.getXMLReader());
            //讄��校验工具的错误处理器�Q�当发生错误�Ӟ��可以从处理器对象中得到错误信息�?
            validator.setErrorHandler(errorHandler);
            //校验
            validator.validate(xmlDocument);

            XMLWriter writer = new XMLWriter(OutputFormat.createPrettyPrint());
            //如果错误信息不�ؓ�I�，说明校验��p�|�Q�打印错误信�?
            if (errorHandler.getErrors().hasContent()) {
                System.out.println("XML文�g通过XSD文�g校验��p�|�Q?);
                writer.write(errorHandler.getErrors());
            } else {
                System.out.println("Good! XML文�g通过XSD文�g校验成功�Q?);
            }
        } catch (Exception ex) {
            System.out.println("XML文�g: " + xmlFileName + " 通过XSD文�g:" + xsdFileName + "��验失败。\n原因�Q?" + ex.getMessage());
            ex.printStackTrace();
        }
    }

    /**
     * 通过DTD校验XML
     */
    public static void validateXMLByDTD() {
        //todo�Q�暂时不用，以后再说�?
    }
}

�q�行�l�果

Good! XML文�g通过XSD文�g校验成功�Q?/div>

�Ҏ��二：

最�q�对Schema 验证研究了一下，代码如下�Q?br /> 所需JAR包需要自�׃��载（版本一定要正确�Q?/p>

public class SchemaValidation {

    public static void main(String[] args) {
        validate();
    }

    public static void validate() {
        try {
            SchemaValidation demo = new SchemaValidation();
            // Give the xml(标准化越来越�q�了) and schema name
            InputStream xml(标准化越来越�q�了)String = demo.getClass().getResourceAsStream("GBAInit.xml(标准化越来越�q�了)");
            InputStream schemaStr = demo.getClass().getResourceAsStream("GBAInitSchema.xsd");

            SAXReader reader = createSAXReader(schemaStr);
            System.out.println("XSD parse successfully !");

            Document document = reader.read(xml(标准化越来越�q�了)String);
            System.out.println("Successfully validation .. . ");
        } catch (DocumentException e) {
            System.out.println("Exception occurred: " + e);
            Throwable nestedException = e.getNestedException();
            if (nestedException != null) {
                System.out.println("NestedException: " + nestedException);
                nestedException.printStackTrace();
            } else {
                e.printStackTrace();
            }
        } catch (Throwable t) {
            System.out.println("Exception occurred: " + t);
            t.printStackTrace();
        }
    }

/** Registers the Verifier with the SAXReader */
protected SAXReader createSAXReader(InputStream schemaURI) throws Exception {

System.out.println("Loaded schema document: " + schemaURI);

        // use autodetection of schemas
        VerifierFactory factory = new com.sun.msv.verifier.jarv.TheFactoryImpl();
        Schema schema = factory.compileSchema(schemaURI);

        Verifier verifier = schema.newVerifier();
        verifier.setErrorHandler(new ErrorHandler() {
            public void error(SAXParseException e) {
                System.out.println("ERROR: " + e);
            }

            public void fatalError(SAXParseException e) {
                System.out.println("FATAL: " + e);
            }

            public void warning(SAXParseException e) {
                System.out.println("WARNING: " + e);
            }
        });

        // now install the verifying filter
        VerifierFilter filter = verifier.getVerifierFilter();
        SAXReader reader = new SAXReader();
        reader.setxml(标准化越来越�q�了)Filter(filter);
        return reader;
    }

本文来源�?WEB开发网原文链接�Q�http://www.cncms.com.cn/ajax/9977.htm

TiGERTiAN 2010-03-11 11:11 发表评论

[转]JAVA上加密算法的实现用例

TiGERTiAN — Fri, 05 Mar 2010 05:50:00 GMT

摘要: JAVA上加密算法的实现用例 MD5/SHA1�Q�DSA�Q�DESede/DES�Q�Diffie-Hellman的��? ... 阅读全文

TiGERTiAN 2010-03-05 13:50 发表评论

LG GW880(Ophone)开启ADB调试模式

TiGERTiAN — Wed, 03 Mar 2010 13:31:00 GMT

现在卖的LG GW880在出厂的时候关掉了ADB模式�Q�导致没有办法真��调，后来在网上搜索了一下，官方内部�l�了一个开启程序和说明�Q�请看附件�?br /> /Files/TiGERTiAN/LGE_adb.zip
通过�q�个�E�序开启ADB模式�Q�我们就可以对Ophone的程序进行真��调了�?br /> 在Windows 7下面�Q�可能会提示找不到驱动，需要进入设备管理器�Q�更新那个未知设备的驱动�Q�手动从讑֤�列表里面选择昄��所有设备，然后扑ֈ�sdk中带的usb_driver�Q�选择x86下面的驱动，选择之后会显�C?个驱动，选择那个ADB Testing Interface驱动��可以了。这��h��们就完成了Ophone真机联调的准备工作了�Q�之后只需要在开发环境中使用��好了�?

TiGERTiAN 2010-03-03 21:31 发表评论

Android中ContentProvider和ContentResolver使用入门

TiGERTiAN — Thu, 18 Feb 2010 11:25:00 GMT

摘要: 在Android中，我们的应用有的时候需要对外提供数据接口，可以有如下几�U�方法：1�Q�AIDL 2�Q�Broadcast 3�Q�ContentProvider�?使用AIDL需要我们编写AIDL接口以及实现�Q�而且�Ҏ��也要有相应的接口描述�Q�有炚w��烦；使用Broadcast�Q�我们不需要�Q何接口描�q�ͼ�只要协议文档��可以了�Q�但是有点不好就是，�q�种方式不直接而且是异步的�Q��用ContentProvider我们�?.. 阅读全文

TiGERTiAN 2010-02-18 19:25 发表评论

TiGERTiAN — Thu, 18 Feb 2010 10:20:00 GMT

xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.backgroundservice" android:versionCode="1"
    android:versionName="1.0">
    <application android:icon="@drawable/icon" android:label="@string/app_name">

        <service android:name="TestBackgroundService"
            android:permission="com.tigertian.permission.TEST_SERVICE">
            <intent-filter>
                <action android:name="android.intent.action.STORE_REQUEST">action>
                <category android:name="android.intent.category.DEFAULT">category>
                <data android:scheme="x-id">data>
            intent-filter>
        service>

        <provider android:name="TestContentProvider"
            android:authorities="com.backgroundservice.TestContentProvider"
            android:multiprocess="false" android:grantUriPermissions="false">provider>
    application>
    <uses-sdk android:minSdkVersion="3" />

    <permission-group android:name="android.permission-group.GAMEHALL"
        android:label="@string/gamehall_group" android:description="@string/permission_desc">

    permission-group>
    <permission android:name="com.tigertian.permission.TEST_SERVICE"
        android:description="@string/permission_desc" android:label="@string/permission_label"
        android:protectionLevel="dangerous" android:permissionGroup="android.permission-group.GAMEHALL">permission>
manifest>

一般最好声明一个权限租�Q�所有权限都分配好组�Q�之后给相应的Activity或者Service赋予权限。这样在安装使用�E�序的时候，会提�C�用户��用了哪一个权限组下面的哪一个权限，否则权限�l�名�U�就会变成Default。下面是使用�E�序�Q?br />

<uses-permission android:name="com.tigertian.permission.TEST_SERVICE">uses-permission>

TiGERTiAN 2010-02-18 18:20 发表评论

TiGERTiAN — Thu, 18 Feb 2010 03:23:00 GMT

Android Intent的几�U�用法全面�ȝ��

Intent, 用法

Intent应该��是Android中特有的东西。你可以在Intent中指�?span class="t_tag" onclick="tagshow(event)" href="tag.php?name=%E7%A8%8B%E5%BA%8F">�E�序要执行的动作�Q�比如：view,edit,dial�Q�，以及�E�序执行到该动作时所需要的资料。都指定好后�Q�只要调用startActivity()�Q�Android�pȝ��会自动寻找最�W�合你指定要求的应用�E�序�Q��ƈ执行该程序�?br />
下面列出几种Intent的用�?br /> 昄��|�页:

Uri uri = Uri.parse("http://www.google.com");
Intent it = new Intent(Intent.ACTION_VIEW,uri);
startActivity(it);

复制代码

昄��地图:

Uri uri = Uri.parse("geo:38.899533,-77.036476");
Intent it = new Intent(Intent.Action_VIEW,uri);
startActivity(it);

复制代码

路径规划:

Uri uri = Uri.parse("http://maps.google.com/maps?f=d&saddr=startLat%20startLng&daddr=endLat%20endLng&hl=en");
Intent it = new Intent(Intent.ACTION_VIEW,URI);
startActivity(it);

复制代码

拨打电话:
调用拨号�E�序

Uri uri = Uri.parse("tel:xxxxxx");
Intent it = new Intent(Intent.ACTION_DIAL, uri);
startActivity(it);

复制代码

Uri uri = Uri.parse("tel.xxxxxx");
Intent it =new Intent(Intent.ACTION_CALL,uri);
要��用这个必��d��配置文�g中加�?lt;uses-permission id="android.permission.CALL_PHONE" />

复制代码

发送SMS/MMS
调用发�?span class="t_tag" onclick="tagshow(event)" href="tag.php?name=%E7%9F%AD%E4%BF%A1">短信的程�?

Intent it = new Intent(Intent.ACTION_VIEW);
it.putExtra("sms_body", "The SMS text");
it.setType("vnd.android-dir/mms-sms");
startActivity(it);

复制代码

发送短�?

Uri uri = Uri.parse("smsto:0800000123");
Intent it = new Intent(Intent.ACTION_SENDTO, uri);
it.putExtra("sms_body", "The SMS text");
startActivity(it);

复制代码

发送彩�?

Uri uri = Uri.parse("content://media/external/images/media/23");
Intent it = new Intent(Intent.ACTION_SEND);
it.putExtra("sms_body", "some text");
it.putExtra(Intent.EXTRA_STREAM, uri);
it.setType("image/png");
startActivity(it);

复制代码

发送Email

Uri uri = Uri.parse("mailto:xxx@abc.com");
Intent it = new Intent(Intent.ACTION_SENDTO, uri);
startActivity(it);

复制代码

Intent it = new Intent(Intent.ACTION_SEND);
it.putExtra(Intent.EXTRA_EMAIL, "me@abc.com");
it.putExtra(Intent.EXTRA_TEXT, "The email body text");
it.setType("text/plain");
startActivity(Intent.createChooser(it, "Choose Email Client"));

复制代码

Intent it=new Intent(Intent.ACTION_SEND);
String[] tos={"me@abc.com"};
String[] ccs={"you@abc.com"};
it.putExtra(Intent.EXTRA_EMAIL, tos);
it.putExtra(Intent.EXTRA_CC, ccs);
it.putExtra(Intent.EXTRA_TEXT, "The email body text");
it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text");
it.setType("message/rfc822");
startActivity(Intent.createChooser(it, "Choose Email Client"));

复制代码

��d��附�g

Intent it = new Intent(Intent.ACTION_SEND);
it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text");
it.putExtra(Intent.EXTRA_STREAM, "file:///sdcard/mysong.mp3");
sendIntent.setType("audio/mp3");
startActivity(Intent.createChooser(it, "Choose Email Client"));

复制代码

播放多媒�?

Intent it = new Intent(Intent.ACTION_VIEW);
Uri uri = Uri.parse("file:///sdcard/song.mp3");
it.setDataAndType(uri, "audio/mp3");
startActivity(it);

复制代码

Uri uri = Uri.withAppendedPath(MediaStore.Audio.Media.INTERNAL_CONTENT_URI, "1");
Intent it = new Intent(Intent.ACTION_VIEW, uri);
startActivity(it);

复制代码

Uninstall �E�序

Uri uri = Uri.fromParts("package", strPackageName, null);
Intent it = new Intent(Intent.ACTION_DELETE, uri);
startActivity(it);

复制代码

uninstall apk

Uri uninstallUri = Uri.fromParts("package", "xxx", null);
returnIt = new Intent(Intent.ACTION_DELETE, uninstallUri);

复制代码

install apk

Uri installUri = Uri.fromParts("package", "xxx", null);
returnIt = new Intent(Intent.ACTION_PACKAGE_ADDED, installUri);

复制代码

play audio

Uri playUri = Uri.parse("file:///sdcard/download/everything.mp3");
returnIt = new Intent(Intent.ACTION_VIEW, playUri);

复制代码

//发送附�?br />
Intent it = new Intent(Intent.ACTION_SEND);
it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text");
it.putExtra(Intent.EXTRA_STREAM, "file:///sdcard/eoe.mp3");
sendIntent.setType("audio/mp3");
startActivity(Intent.createChooser(it, "Choose Email Client"));

//搜烦应用
Uri uri = Uri.parse("market://search?q=pname:pkg_name");
Intent it = new Intent(Intent.ACTION_VIEW, uri);
startActivity(it);
//where pkg_name is the full package path for an application
//昄��指定应用的详�l�页面（�q�个好像不支持了�Q�找不到app_id�Q?br />
Uri uri = Uri.parse("market://details?id=app_id");
Intent it = new Intent(Intent.ACTION_VIEW, uri);
startActivity(it);
//where app_id is the application ID, find the ID
//by clicking on your application on Market home
//page, and notice the ID from the address bar

    /** *//**
     * 获得包安装Intent
     * @param tempFile
     * @return
     */
    public static Intent getPackageInstallIntent(File tempFile)
    {
        Uri mPackageURI = Uri.fromFile(tempFile);
        Intent in = new Intent();
        in.setAction(Intent.ACTION_VIEW);
        in.addCategory(Intent.CATEGORY_DEFAULT);
        in
                .setComponent(new ComponentName(
                        "com.android.packageinstaller",
                        "com.android.packageinstaller.PackageInstallerActivity"));
        in.setDataAndType(mPackageURI,
                "application/vnd.android.package-archive");
        in.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        return in;
    }

TiGERTiAN 2010-02-18 11:23 发表评论

Android短信发送和监控

TiGERTiAN — Thu, 18 Feb 2010 03:01:00 GMT

摘要: Sending SMS Messages To get started, first launch Eclipse and create a new Android project. Name the project as shown in Figure 1. Figure 1 Creating a new Android project using Eclipse Android u... 阅读全文

TiGERTiAN 2010-02-18 11:01 发表评论

Andorid Looper入门使用介绍

TiGERTiAN — Thu, 18 Feb 2010 02:52:00 GMT

摘要: public class Looper extends Object java.lang.Object �? android.os.Looper Cl... 阅读全文

TiGERTiAN 2010-02-18 10:52 发表评论

TiGERTiAN — Sat, 13 Feb 2010 06:35:00 GMT

摘要: 先说�?大家新年快乐哈，明天��p��q�入2010�q�了�Q�对我来说是很意义的一�q�_��同时也是很重要的一�q�。新的气象，新的工作�Q�新的挑战。保佑自己，�怿�自己�Q�不啰嗦了，切入正题�? 最�q�在开发一个应用，需要用到文本的跑马灯效果，囄��事，在网上找�Q�但老半天都找不刎ͼ�后来自己写了一个，很简单，代码如下�Q?import android.content.Context; import an... 阅读全文

TiGERTiAN 2010-02-13 14:35 发表评论

TiGERTiAN — Mon, 08 Feb 2010 09:04:00 GMT

1、领域模型中需要加入必填的字段名称�Q�如下：

class News {

    int id;
    String title;
    String content;

    static constraints = {
      title(blank:false)
    }
}

title(blank:false)�Q�表�C��字段不可为空
2、在message属性中�Q�定义该字段为空时候的提示�Q�格式是领域包名.领域模型�c�d��U?属性名�U?限制属性名�U?提示信息
例：cn.tigertian.grails.domain.News.title.blank=请填写标�?br /> 3、在��面上加入如下代码：

<g:message code="default.create.label" args="[entityName]" />h1>
            <g:if test="${flash.message}">
            <div class="message">${flash.message}div>
            g:if>
            <g:hasErrors bean="${instance}">
            <div class="errors">
                <g:renderErrors bean="${instance}" as="list" />
            div>
            g:hasErrors>

则在有错误信息的时候就会提�C�Z��

TiGERTiAN 2010-02-08 17:04 发表评论

Grails使用JNDI�Ҏ��

TiGERTiAN — Mon, 08 Feb 2010 07:28:00 GMT

摘要: 今天搞了一下Grails的JNDI配置�Q�步骤如�?nbsp; 阅读全文

TiGERTiAN 2010-02-08 15:28 发表评论

TiGERTiAN — Wed, 03 Feb 2010 10:01:00 GMT

摘要: 很多人对文档中的Intent和IntentFilter不理解是什么意思，我这里�D例解释下�?
阅读全文

TiGERTiAN 2010-02-03 18:01 发表评论

TiGERTiAN — Sun, 31 Jan 2010 11:48:00 GMT

摘要: �E�序A的Receiver�Q?receiver = new BroadcastReceiver() { @Override ... 阅读全文

TiGERTiAN 2010-01-31 19:48 发表评论

TiGERTiAN — Sun, 31 Jan 2010 11:32:00 GMT

声明一个Activity�Q��用ACTION_MAIN作�ؓAction�Q�CATEGORY_DEFAULT作�ؓCategory�Q�之后在调用Activity中，引入如下代码��可以自动生成所有匹配Action和Category的Activity的启动菜单了�?br />

@Override
    public boolean onCreateOptionsMenu(Menu menu){
        Log.i("TestActivity", "Options Menu Created");
        super.onCreateOptionsMenu(menu);
        //menu.add(1, 0, 0, "EDIT");

        // Create an Intent that describes the requirements to fulfill, to be included
        // in our menu. The offering app must include a category value of Intent.CATEGORY_ALTERNATIVE.
        Intent intent = new Intent(Intent.ACTION_MAIN, getIntent().getData());
        intent.addCategory(Intent.CATEGORY_ALTERNATIVE);

        // Search for, and populate the menu with, acceptable offering applications.
        menu.addIntentOptions(
             1,  // Menu group
             0,      // Unique item ID (none)
             0,      // Order for the items (none)
             this.getComponentName(),   // The current Activity name
             null,   // Specific items to place first (none)
             intent, // Intent created above that describes our requirements
             0,      // Additional flags to control items (none)
             null);  // Array of MenuItems that corrolate to specific items (none)

        return true;
    }

TiGERTiAN 2010-01-31 19:32 发表评论

[转]Android照相�E�序

TiGERTiAN — Tue, 12 Jan 2010 09:37:00 GMT

摘要: String SD_CARD_TEMP_DIR = Environment.getExternalStorageDirectory() + File.separator + "tmpPhoto.jpg"; Intent takePictureFromCameraIntent =&... 阅读全文

TiGERTiAN 2010-01-12 17:37 发表评论

TiGERTiAN — Sun, 10 Jan 2010 14:16:00 GMT

摘要: 今天做黑莓��^��C��J2ME的Socket��试�E�序�Q�服务端已经调试好了�Q�服务端也用模拟器调试好了，可到了黑莓上面就有问题了�Q�程序运行正常，�q�接也正常徏立，但发送出�ȝ��数据服务端就是收不到��D��d��Q�服务端��d��也导致了客户端接收数据的��d��。。。死�z�L��发现原因。。。最后测试来��试��L��发现问题所在�?nbsp; 阅读全文

TiGERTiAN 2010-01-10 22:16 发表评论

BlackBerry(黑莓)监听Field属性的变化

TiGERTiAN — Sun, 03 Jan 2010 14:10:00 GMT

摘要: 阅读全文

TiGERTiAN 2010-01-03 22:10 发表评论

BlackBerry(黑莓)对图像的�~�放操作

TiGERTiAN — Sun, 03 Jan 2010 06:22:00 GMT

下面的代码是在黑莓中调用黑莓的API�l�图片进行羃放操作：
�W�一步（1-12行）�Q�读取指定的囄��?br /> �W�二步（13-14行）�Q�讲囄��的二�q�制数据转换为EncodedImage对象�Q��ƈ且羃放�ؓ原来�?/2�Q�setScale的参数是大于0的羃攑֛�子n�Q�图片会被羃放�ؓ原来�?/n�?br /> �W�三步（15-20行）�Q�将囄��插入到图片域中，�q�将该图片域��d��到指定的MainScreen中�?br />

1try {
2            byte[] imgData = new byte[512];
3            InputStream in = Class.forName("BBUIApp").getResourceAsStream("1.jpg");
4            ByteArrayOutputStream bos = new ByteArrayOutputStream();
5            int count = -1;
6            while((count = in.read(imgData)) != -1)
7            {
8                bos.write(imgData, 0 , count);
9            }
10            byte[] img = bos.toByteArray();
11            bos.close();
12            in.close();
13            EncodedImage image = EncodedImage.createEncodedImage(img, 0, img.length);
14            image.setScale(2);
15            BitmapField f = new BitmapField();
16            f.setImage(image);
17            this.add(f);
18        } catch (Exception e) {
19
20        }

TiGERTiAN 2010-01-03 14:22 发表评论

TiGERTiAN — Sun, 27 Dec 2009 14:52:00 GMT

摘要: 下面的代码是�Q�当选中父节点，则子节点全选；选中��L��一个子节点�Q�则选中父节�? jQuery.noConflict();//与JSF搭配需要这句话�Q�不然会有冲�H? jQuery(document).ready(function() { &nb... 阅读全文

TiGERTiAN 2009-12-27 22:52 发表评论

TiGERTiAN — Sat, 19 Dec 2009 07:42:00 GMT

public static Image createThumbnail(Image image,int width) {
        int sourceWidth = image.getWidth();
    int sourceHeight = image.getHeight();
        int thumbWidth = width;
    int thumbHeight = -1;
        if (thumbHeight == -1)
    thumbHeight = thumbWidth * sourceHeight / sourceWidth;
        Image thumb = Image.createImage(thumbWidth, thumbHeight);
    Graphics g = thumb.getGraphics();
        for (int y = 0; y < thumbHeight; y++) {
            for (int x = 0; x < thumbWidth; x++) {
                g.setClip(x, y, 1, 1);//讄��该像素点以外的区域绘制无�?/span>
        int dx = x * sourceWidth / thumbWidth;
                int dy = y * sourceHeight / thumbHeight;
        g.drawImage(image, x - dx, y - dy,Graphics.LEFT | Graphics.TOP);//重绘整张图，实际上只是重�l�了一个像素点
            }
    }
        return thumb;
    }

上面的代码用来在J2ME中绘制图片的�~�略图，CLDC1.0的用法，2.0可以直接操控像素�?

TiGERTiAN 2009-12-19 15:42 发表评论

MyFaces中SelectOneRadio的一个bug

TiGERTiAN — Thu, 03 Dec 2009 12:34:00 GMT

今天开发的��试的时候碰��C��个问题，��是用Myfaces的SelectOneRadio�I�间的时候，��面�W�一�ơ展现没问题�Q�当我��用上一步切换tab再下一步的时候就抛出了异常，异常如下�Q?br />

Caused by: javax.faces.convert.ConverterException: java.lang.ClassCastException: org.apache.myfaces.shared_impl.renderkit.RendererUtils$1

cannot be cast to java.lang.Boolean

at javax.faces.convert.BooleanConverter.getAsString(BooleanConverter.java:91)

at org.apache.myfaces.shared_impl.renderkit.RendererUtils.getConvertedStringValue(RendererUtils.java:630)

at org.apache.myfaces.shared_impl.renderkit.html.HtmlRadioRendererBase.encodeEnd(HtmlRadioRendererBase.java:91)

at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:624)

... 110 more

Caused by: java.lang.ClassCastException: org.apache.myfaces.shared_impl.renderkit.RendererUtils$1

cannot be cast to java.lang.Boolean

at javax.faces.convert.BooleanConverter.getAsString(BooleanConverter.java:87)

... 113 more



后来在国外网站上面找��C��问题所在：



Hello,



the problem still exists in MyFaces Core 1.2.6.



I have a selectOneMenu with a value binding to a boolean property.



In the boolean converter the ClassCastException still occurs.



...

Caused by: javax.faces.convert.ConverterException: java.lang.ClassCastException: org.apache.myfaces.shared_impl.renderkit.RendererUtils$1

cannot be cast to java.lang.Boolean

at javax.faces.convert.BooleanConverter.getAsString(BooleanConverter.java:91)

at org.apache.myfaces.shared_impl.renderkit.RendererUtils.getConvertedStringValue(RendererUtils.java:630)

at org.apache.myfaces.shared_impl.renderkit.html.HtmlRadioRendererBase.encodeEnd(HtmlRadioRendererBase.java:91)

at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:624)

... 110 more

Caused by: java.lang.ClassCastException: org.apache.myfaces.shared_impl.renderkit.RendererUtils$1

cannot be cast to java.lang.Boolean

at javax.faces.convert.BooleanConverter.getAsString(BooleanConverter.java:87)

... 113 more



In RendererUtils there are some tests that value equals NOTHING. However the equals method

of the NOTHING-Serializable isn't overriden. Therefore it has no effect.



Overriding the equals method as in the patch of paul works.





有些东西没有实现�Q�导致了�q�个问题。这个可能需要你自己���单实��C��下源文�g然后�~�译成库文�g了，感觉�ȝ�����换成了SelectOneMenu了�?br />
后面有时间再看了

TiGERTiAN 2009-12-03 20:34 发表评论

MyEclipse 6.5.1的注册码�?0�q?0月䆾

TiGERTiAN — Wed, 02 Dec 2009 01:03:00 GMT

Subscriber:QQ24785490
Subscription Code:DLR8ZC-855551-65657857678050018

TiGERTiAN 2009-12-02 09:03 发表评论

[JSF]手动初始化选择控�g ��面所有action均失效的问题

TiGERTiAN — Wed, 18 Nov 2009 01:02:00 GMT

最�q�写了一个JSF的动态控件生成框架给��目�l��用。昨天有个同事在使用的过�E�中遇到一个问题，��是我生成的带AjaxSupport的动态控件在调用他自己写的方法之后出��C��整个��面的action均无效的情况�Q�现象就是，两个�U�联下拉�Q�当��C��个下拉选项改变�Ӟ��触发他写的方法，他改变第二个下拉�Q�但是当重复该操作之后就无效了，也没有错误和异常�Q�代码如下：

同事代码�Q?br />

1 public void bignessDangeValueChangeListener(ActionEvent e) {
2         //System.out.println(e.getComponent().getParent().getChildCount());
3         org.ajax4jsf.component.html.HtmlAjaxSupport ajaxSupport = (org.ajax4jsf.component.html.HtmlAjaxSupport)e.getComponent();
4         HtmlSelectOneMenu parent = (HtmlSelectOneMenu)ajaxSupport.getParent();
5         Short value = (Short)parent.getValue();
6         String[] idDetails = parent.getId().split("_");
7         StringBuffer controlId = new StringBuffer();
8         controlId.append(idDetails[0]);
9         if (WebUtil.PROPS_FILE_NAME_TRASH_DISCHARGE.equals(idDetails[0])) {
10             idDetails[1]="hazardousSubstance"; //配置文�g中配�|�的二��联动的二�U�控件的name字段
11         }
12
13         for (int i = 1;i < idDetails.length;i++){
14             controlId.append("_").append(idDetails[i]);
15         }
16
17         ajaxSupport.setReRender(controlId.toString());
18
19         List<BignessDangerInfo> list = Common.getBignessDangerInfoByObjType(value);
20         List<String> labelList = new ArrayList<String>();
21         List<Integer> valueList = new ArrayList<Integer>();
22         for(BignessDangerInfo bdi : list) {
23             labelList.add(bdi.getObjectName());
24             valueList.add(String.valueOf(bdi.getRecuid()));
25         }
26
27
28
29         if(value == 1 || value == 2 || value == 3 || value == 4) {
30             DynamicControlFactory.initSelectValues(e, idDetails[1], labelList, valueList);
31         }  else {
32             List<List<String>> listClear = new ArrayList<List<String>>();
33             List<String> temp1 = new ArrayList<String>();
34             List<String> temp2 = new ArrayList<String>();
35             temp1.add("-1");
36             temp2.add("--请选择--");
37             listClear.add(temp1);
38             listClear.add(temp2);
39             DynamicControlFactory.initSelectValues(e, idDetails[1], listClear.get(1), listClear.get(0));
40         }
41     }

initSelectValues的相关代码：

1public static void initSelectValues(ActionEvent e, String col, List<String> labels, List<String> values)
2    {
3        try {
4
5            String[] parms = e.getComponent().getParent().getId().split("_");
6            DynamicControlObject dco = getControlObjects().get(parms[0]);
7
8            List<String> colList = dco.getColNameList();
9            String prefix = dco.getFormName() + ":" + parms[0];
10
11            Map cos = new HashMap();
12            String rowIdx = parms[parms.length - 1];
13
14            initSelectOneComponent(findComponent(prefix + "_" + col + "_1" + "_"
15                    + rowIdx),  values, labels, true);
16        } catch (Exception ex) {
17            ex.printStackTrace();
18        }
19    }

1public static void initSelectOneComponent(UIComponent component,
2            List<String> values, List<String> labels, boolean clearBefore) {
3        try {
4
5            if (component == null || values == null || labels == null
6                    )
7                return;
8
9            if (!isMultiValue(component))
10                return;
11
12            Object optionKey = null;
13            String optionLabel = null;
14            ArrayList optionsList = null;
15
16            UISelectItems items = new UISelectItems();
17            optionsList = new ArrayList(values.size());
18            for (int i = 0; i < values.size(); i++) {
19                optionKey = values.get(i);
20                optionLabel = (String)labels.get(i);
21                SelectItem item = new SelectItem(optionKey, optionLabel);
22                optionsList.add(item);
23            }
24            items.setValue(optionsList);
25            if(clearBefore)
26            {
27                List list = component.getChildren();
28                Object obj = null;
29                for(int i = 0;i < list.size(); i ++)
30                {
31                    if(list.get(i) instanceof UISelectItems )
32                    {
33                        obj = list.get(i);
34                        break;
35                    }
36                }
37                if(obj != null)
38                    list.remove(obj);
39            }
40
41            component.getChildren().add(items);
42        } catch (Exception e) {
43            e.printStackTrace();
44        }
45
46    }

��查了半天�Q�发现只要不执行initSelectValues�Q�都没有问题�Q�后来一步一步调试才发现�Q�原来是数据�c�d��的问题，同事传入的是List values�Q�而SelectItem构造函数支持的是键值都为String的参敎ͼ�数据�c�d��不对��D��了这一个奇怪的现象�Q�但后台没有异常和出错信息让人很�U�闷�Q�解��x��法就是只要改变值列表�ؓList��可以了�?

TiGERTiAN 2009-11-18 09:02 发表评论

亚洲日韩精品无码一区二区三区,亚洲色少妇熟女11p,国产亚洲一区二区精品

OSGi and Hadoop and Node.js

javacc工具���记

OtaNotifier.java

Java中无�W�号整数

[转]Java通过XML Schema校验XML

[转]JAVA上加密算法的实现用例

LG GW880(Ophone)开启ADB调试模式

Android中ContentProvider和ContentResolver使用入门

Android Intent的几�U�用法全面�ȝ��

Android短信发送和监控

Andorid Looper入门使用介绍

Grails使用JNDI�Ҏ��

[转]Android照相�E�序

BlackBerry(黑莓)监听Field属性的变化

BlackBerry(黑莓)对图像的�~�放操作

MyFaces中SelectOneRadio的一个bug

MyEclipse 6.5.1的注册码�?0�q?0月䆾

[JSF]手动初始化选择控�g ��面所有action均失效的问题

javacc工具��记