Add the java implementation for ip2region.db maker

zhiwenuil · May 2, 2019 · abf2292 · abf2292
1 parent 9d23bc5
commit abf2292
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diff --git a/maker/java/build.xml b/maker/java/build.xml
@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project name="ip2region" default="usage" basedir=".">
+	<!--Initialize-->
+	<target name="init">
+		<echo message="------------------------------------------------------------"/>
+		<echo message="----------BUILDING JCSEG PACKAGE----------------------------"/>
+		<echo message=""/>
+		<property name="bottom" value="ip2region 2015-2019"/>
+		<property name="jars" value="${basedir}"/>
+		<property name="sources" value="${basedir}/src"/>
+		<property name="classes" value="${basedir}/classes"/>
+		<property name="version" value="1.2.2"/>
+		<property name="api" value="${basedir}/doc"/>
+		<mkdir dir="${classes}"/>
+		<mkdir dir="${api}"/>
+	</target>
+
+	<path id="classpath">
+		<fileset dir="${lib.dir}" includes="**/*.jar"/>
+	</path>
+
+	<!--Build-->
+	<target name="build" depends="init">
+		<echo message="-------------Compiling Application--------------"/>
+		<javac srcdir="${sources}" destdir="${classes}"></javac>
+	</target>
+
+	<!--Archive-->
+	<target name="dist" depends="build">
+		<jar jarfile="${jars}/ip2region-${version}.jar" basedir="${classes}">
+			<!--class fileter-->
+			<include name="**/*"/>
+			<!--manifest information setting-->
+			<manifest>
+				<attribute name="Main-Class" value="org.lionsoul.ip2region.test.TestSearcher"/>
+				<attribute name="Class-Path" value=""/>
+			</manifest>
+		</jar>
+		<jar jarfile="${jars}/dbMaker-${version}.jar" basedir="${classes}" includes="org/lionsoul/ip2region/*">
+            <!--manifest information setting-->
+            <manifest>
+                <attribute name="Main-Class" value="org.lionsoul.ip2region.DbMaker"/>
+                <attribute name="Class-Path" value=""/>
+            </manifest>
+        </jar>
+	</target>
+
+	<!--Java document-->
+	<target name="all" depends="dist">
+		<echo message="------------Making Java Document------------------"/>
+		<javadoc packagenames="org.*"
+				sourcepath="${sources}"
+				destdir="${api}"
+				bottom="${bottom}"
+				charset="UTF-8"
+				author="false">
+			<classpath>
+				<pathelement location="${classes}"/>
+			</classpath>
+		</javadoc>
+		<jar jarfile="${jars}/ip2region-${version}-javadoc.jar" basedir="${api}" includes="**/*"></jar>
+
+		<!--do the data clean up-->
+		<delete dir="${classes}"/>
+		<delete dir="${api}"/>
+	</target>
+
+	<target name="usage">
+		<echo message="*** ip2region ANT Build Script ***"/>
+		<echo message="Usage: "/>
+		<echo message=" ant [target]"/>
+		<echo message=""/>     
+		<echo message=" target : "/>
+		<echo message="     build : Build Application"/>     
+		<echo message="     dist  : Build Application + Archive (JAR)"/>     
+		<echo message="     all   : Build Application + Archive + JavaDoc"/>       
+	</target>
+
+</project>
diff --git a/dbMaker-1.2.2.jar → maker/java/dbMaker-1.2.2.jar b/dbMaker-1.2.2.jar → maker/java/dbMaker-1.2.2.jar
diff --git a/maker/java/src/org/lionsoul/ip2region/DataBlock.java b/maker/java/src/org/lionsoul/ip2region/DataBlock.java
@@ -0,0 +1,86 @@
+package org.lionsoul.ip2region;
+
+/**
+ * data block class
+ * 
+ * @author	chenxin<[email protected]>
+*/
+public class DataBlock 
+{
+	/**
+	 * city id 
+	*/
+	private int city_id;
+
+	/**
+	 * region address
+	*/
+	private String region;
+
+	/**
+	 * region ptr in the db file
+	*/
+	private int dataPtr;
+
+	/**
+	 * construct method
+	 * 
+	 * @param  city_id
+	 * @param  region  region string
+	 * @param  dataPtr data ptr
+	*/
+	public DataBlock( int city_id, String region, int dataPtr )
+	{
+		this.city_id = city_id;
+		this.region  = region;
+		this.dataPtr = dataPtr;
+	}
+
+	public DataBlock(int city_id, String region)
+	{
+	    this(city_id, region, 0);
+	}
+
+	public int getCityId()
+	{
+		return city_id;
+	}
+
+	public DataBlock setCityId(int city_id)
+	{
+		this.city_id = city_id;
+		return this;
+	}
+
+	public String getRegion()
+	{
+		return region;
+	}
+
+	public DataBlock setRegion(String region)
+	{
+		this.region = region;
+		return this;
+	}
+
+	public int getDataPtr()
+	{
+	    return dataPtr;
+	}
+
+	public DataBlock setDataPtr(int dataPtr)
+	{
+	    this.dataPtr = dataPtr;
+	    return this;
+	}
+
+	@Override
+	public String toString()
+	{
+		StringBuilder sb = new StringBuilder();
+
+		sb.append(city_id).append('|').append(region).append('|').append(dataPtr);
+		return sb.toString();
+	}
+
+}
diff --git a/maker/java/src/org/lionsoul/ip2region/DbConfig.java b/maker/java/src/org/lionsoul/ip2region/DbConfig.java
@@ -0,0 +1,63 @@
+package org.lionsoul.ip2region;
+
+/**
+ * database configuration class
+ * 
+ * @author chenxin<[email protected]>
+*/
+public class DbConfig 
+{
+    /**
+     * total header data block size
+    */
+    private int totalHeaderSize;
+
+    /**
+     * max index data block size
+     * u should always choice the fastest read block size 
+    */
+    private int indexBlockSize;
+
+    /**
+     * construct method
+     * 
+     * @param   totalHeaderSize
+     * @throws  DbMakerConfigException 
+    */
+    public DbConfig( int totalHeaderSize ) throws DbMakerConfigException
+    {
+        if ( (totalHeaderSize % 8) != 0 ) {
+            throw new DbMakerConfigException("totalHeaderSize must be times of 8");
+        }
+
+        this.totalHeaderSize = totalHeaderSize;
+        this.indexBlockSize  = 8192; //4 * 2048
+    }
+
+    public DbConfig() throws DbMakerConfigException
+    {
+        this(8 * 2048);
+    }
+
+    public int getTotalHeaderSize()
+    {
+        return totalHeaderSize;
+    }
+
+    public DbConfig setTotalHeaderSize(int totalHeaderSize)
+    {
+        this.totalHeaderSize = totalHeaderSize;
+        return this;
+    }
+
+    public int getIndexBlockSize()
+    {
+        return indexBlockSize;
+    }
+
+    public DbConfig setIndexBlockSize(int dataBlockSize)
+    {
+        this.indexBlockSize = dataBlockSize;
+        return this;
+    }
+}