init commit

.gitignore

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+.DS_Store
+.classpath
+.project
+bin/
+target/
+stub-lib/

build.xml

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+<project name="migrations" basedir="." default="jar">
+
+ <property name="version" value="0.2"/>
+ <property name="lib.dir" value="lib"/>
+ <property name="build.dir" value="target"/>
+ <property name="build.test.dir" value="${build.dir}/test"/>
+ <property name="classes.dir" value="${build.dir}/classes"/>
+ <property name="stubs.dir" value="${build.dir}/ext-classes"/>
+
+
+ <path id="classpath">
+ <fileset dir="${lib.dir}" includes="**/*.jar"/>
+ </path>
+
+ <target name="clean">
+ <delete dir="${build.dir}"/>
+ </target>
+
+ <target name="compile.stubs">
+ <mkdir dir="${stubs.dir}"/>
+ <javac includeantruntime="false" srcdir="stubs" destdir="${stubs.dir}" classpathref="classpath"/>
+ </target>
+
+ <target name="compile" depends="compile.stubs"
+ description="compiles source code and puts classes in target/ directory">
+ <mkdir dir="${classes.dir}"/>
+ <javac includeantruntime="false" srcdir="src" destdir="${classes.dir}" classpathref="classpath">
+ <classpath>
+ <path refid="classpath"/> 
+ <pathelement path="${stubs.dir}"/> 
+ </classpath>
+ </javac>
+ </target>
+
+ <target name="jar" depends="test" description="creates jar file for distribution">
+ <jar destfile="${build.dir}/${ant.project.name}-${version}.jar" basedir="${classes.dir}">
+ </jar>
+ <delete dir="${classes.dir}"/>
+ </target>
+
+ <target name="compile-tests" depends="compile">
+ <mkdir dir="${build.dir}/test-classes"/>
+ <javac srcdir="test/" destdir="${build.dir}/test-classes" includeAntRuntime="false" source="1.5" debug="true">
+ <classpath>
+ <path refid="classpath"/>
+ <pathelement path="${classes.dir}"/>
+ <pathelement path="${stubs.dir}"/>
+ </classpath>
+ </javac>
+ </target>
+
+ <target name="test" depends="compile-tests">
+ <junit fork="true" forkmode="once" haltonfailure="false" haltonerror="false" failureproperty="tests.failures"
+ errorproperty="tests.errors" includeantruntime="true" showoutput="true" printsummary="true">
+ <classpath>
+ <path refid="classpath"/>
+ <pathelement path="${classes.dir}"/>
+ <pathelement path="${build.dir}/test-classes"/>
+ <pathelement path="${stubs.dir}"/>
+ </classpath>
+ <formatter type="xml"/>
+ <batchtest fork="yes"
+ todir="./${build.dir}/">
+ <fileset dir="test/">
+ <include name="**/*Test.java"/>
+ </fileset>
+ </batchtest>
+ </junit>
+ <mkdir dir="./${build.dir}/reports"/>
+ <junitreport todir="./${build.dir}/reports">
+ <fileset dir="./${build.dir}">
+ <include name="TEST-*.xml"/>
+ </fileset>
+ <report format="frames" todir="./${build.dir}/reports/html"/>
+ </junitreport>
+ <fail if="tests.failures" message="There were JUnit failures -- see the reports in ./${build.dir}/reports"/>
+ </target>
+
+</project>

src/com/b50/migrations/AbstractMigration.java

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+package com.b50.migrations;
+
+import android.database.sqlite.SQLiteDatabase;
+
+public abstract class AbstractMigration {
+
+ protected SQLiteDatabase database;
+
+ public AbstractMigration(){}
+
+ public void setDatabase(SQLiteDatabase database){
+ this.database = database;
+ }
+
+ protected void execSQL(String sql){
+ this.database.execSQL(sql);
+ }
+
+ public abstract void up();
+
+ public abstract void down();
+
+}

src/com/b50/migrations/MigrationException.java

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+package com.b50.migrations;
+
+public class MigrationException extends Exception {
+
+ /**
+ * 
+ */
+ private static final long serialVersionUID = 123400001L;
+
+ public MigrationException() {
+ }
+
+ public MigrationException(String arg0) {
+ super(arg0);
+ }
+
+ public MigrationException(Throwable arg0) {
+ super(arg0);
+ }
+
+ public MigrationException(String arg0, Throwable arg1) {
+ super(arg0, arg1);
+ }
+
+}

src/com/b50/migrations/Migrator.java

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+package com.b50.migrations;
+
+import android.database.sqlite.SQLiteDatabase;
+
+public class Migrator {
+ private String packageName;
+
+ public Migrator(String packageName) {
+ this.packageName = packageName;
+ }
+
+ public void initialMigration(SQLiteDatabase db) throws MigrationException {
+ try {
+ handleUp(db, packageName, "DBVersion1");
+ } catch (InstantiationException e) {
+ throw new MigrationException(e);
+ } catch (IllegalAccessException e) {
+ throw new MigrationException(e);
+ } catch (ClassNotFoundException e) {
+ throw new MigrationException(e);
+ }
+ }
+
+ public void upgrade(SQLiteDatabase db, int oldVersion, int newVersion) throws MigrationException {
+ for (int x = (oldVersion + 1); x <= newVersion; x++) {
+ try {
+ handleUp(db, packageName, "DBVersion" + x);
+ } catch (InstantiationException e) {
+ throw new MigrationException(e);
+ } catch (IllegalAccessException e) {
+ throw new MigrationException(e);
+ } catch (ClassNotFoundException e) {
+ throw new MigrationException(e);
+ }
+ }
+ }
+
+ public void downgrade(SQLiteDatabase db, int oldVersion, int newVersion) throws MigrationException {
+ for (int x = oldVersion; x > newVersion; x--) {
+ try {
+ handleDown(db, packageName, "DBVersion" + x);
+ } catch (InstantiationException e) {
+ throw new MigrationException(e);
+ } catch (IllegalAccessException e) {
+ throw new MigrationException(e);
+ } catch (ClassNotFoundException e) {
+ throw new MigrationException(e);
+ }
+ }
+ }
+
+ private AbstractMigration getMigrationForPackageAndName(String pckName, String clzzName)
+ throws InstantiationException, IllegalAccessException, ClassNotFoundException {
+ return (AbstractMigration) Class.forName(pckName + "." + clzzName).newInstance();
+ }
+
+ private void handleUp(SQLiteDatabase db, String pckName, String clzzName) throws InstantiationException,
+ IllegalAccessException, ClassNotFoundException {
+ AbstractMigration migration = getMigrationForPackageAndName(packageName, clzzName);
+ migration.setDatabase(db);
+ migration.up();
+ }
+
+ private void handleDown(SQLiteDatabase db, String pckName, String clzzName) throws InstantiationException,
+ IllegalAccessException, ClassNotFoundException {
+ AbstractMigration migration = getMigrationForPackageAndName(packageName, clzzName);
+ migration.setDatabase(db);
+ migration.down();
+ }
+}

src/com/b50/migrations/generators/DatabaseHelperClassGenerator.java

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+package com.b50.migrations.generators;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.StringWriter;
+import java.util.HashMap;
+import java.util.Map;
+
+import freemarker.template.Configuration;
+import freemarker.template.Template;
+import freemarker.template.TemplateException;
+
+public class DatabaseHelperClassGenerator {
+
+ private String templateLocation;
+ private String templateName;
+
+ public DatabaseHelperClassGenerator(String templateLocation, String templateName) {
+ this.templateLocation = templateLocation;
+ this.templateName = templateName;
+ }
+
+ public String generate(String packageName) throws IOException {
+ Configuration cfg = new Configuration();
+ cfg.setDirectoryForTemplateLoading(new File(this.templateLocation));
+ Template template = cfg.getTemplate(this.templateName);
+ Map<String, String> input = new HashMap<String, String>();
+ input.put("package", packageName);
+ StringWriter out = new StringWriter();
+ try {
+ template.process(input, out);
+ } catch (TemplateException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ out.flush();
+ return out.toString();
+ }
+
+}

src/com/b50/migrations/generators/MigrationClassGenerator.java

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+package com.b50.migrations.generators;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.StringWriter;
+import java.util.HashMap;
+import java.util.Map;
+
+import freemarker.template.Configuration;
+import freemarker.template.Template;
+import freemarker.template.TemplateException;
+
+public class MigrationClassGenerator {
+
+ private String templateLocation;
+ private String templateName;
+
+ public MigrationClassGenerator(String templateLocation, String templateName) {
+ this.templateLocation = templateLocation;
+ this.templateName = templateName;
+ }
+
+ public String generate(String packageName, int sequence) throws IOException{
+ Configuration cfg = new Configuration();
+ cfg.setDirectoryForTemplateLoading(new File(this.templateLocation));
+ Template template = cfg.getTemplate(this.templateName);
+ Map<String, String> input = new HashMap<String, String>();
+ input.put("package", packageName);
+ input.put("sequence_number", ""+sequence);
+ StringWriter out = new StringWriter();
+ try {
+ template.process(input, out);
+ } catch (TemplateException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ out.flush();
+ return out.toString();
+ }
+}

src/com/b50/migrations/generators/MigrationXMLGenerator.java

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+package com.b50.migrations.generators;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.StringWriter;
+import java.util.HashMap;
+import java.util.Map;
+
+import freemarker.template.Configuration;
+import freemarker.template.Template;
+import freemarker.template.TemplateException;
+
+public class MigrationXMLGenerator {
+
+ private String templateLocation;
+ private String templateName;
+
+ public MigrationXMLGenerator(String templateLocation, String templateName) {
+ this.templateLocation = templateLocation;
+ this.templateName = templateName;
+ }
+
+ public String generate(String databaseName, String packageName, int sequence) throws IOException{
+ Configuration cfg = new Configuration();
+ cfg.setDirectoryForTemplateLoading(new File(templateLocation));
+ Template template = cfg.getTemplate(templateName);
+ Map<String, String> input = new HashMap<String, String>();
+ input.put("package", packageName);
+ input.put("sequence_number", ""+sequence);
+ input.put("database_name", databaseName);
+ StringWriter out = new StringWriter();
+ try {
+ template.process(input, out);
+ } catch (TemplateException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ out.flush();
+ return out.toString();
+ }
+}

stubs/android/database/sqlite/SQLiteDatabase.java

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+package android.database.sqlite;
+
+public class SQLiteDatabase {
+
+ public SQLiteDatabase() {
+ // TODO Auto-generated constructor stub
+ }
+
+ public void execSQL(String sql) {
+
+ }
+}