10 JavaFX Antタスク

例10-2 HelloWorld.java

import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;
 
public class HelloWorld extends Application {
    
    @Override
    public void start(Stage primaryStage) {
        Button btn = new Button();
        btn.setText("Say 'Hello World'");
        btn.setOnAction(new EventHandler<ActionEvent>() {
 
            @Override
            public void handle(ActionEvent event) {
                System.out.println("Hello World!");
            }
        });
        
        StackPane root = new StackPane();
        root.getChildren().add(btn);
 
        Scene scene = new Scene(root, 300, 250);
 
        primaryStage.setTitle("Hello World!");
        primaryStage.setScene(scene);
        primaryStage.show();
    }
 public static void main(String[] args) {
        launch(args);
    }
}

例10-3 JavaFX Hello Worldの例をデプロイするAntスクリプト

<?xml version="1.0" encoding="UTF-8" ?>
 
<project name="JavaFX Hello World Example" default="default" basedir="."
  xmlns:fx="javafx:com.sun.javafx.tools.ant">
 
  <property name="JAVA_HOME" value="C:\\Java\\jdk1.8.0"/>
  <property name="build.src.dir" value="src"/>
  <property name="build.classes.dir" value="classes"/>
  <property name="build.dist.dir" value="dist"/>
 
  <target name="default" depends="clean,compile">
 
    <taskdef resource="com/sun/javafx/tools/ant/antlib.xml"
      uri="javafx:com.sun.javafx.tools.ant"
      classpath="${JAVA_HOME}/lib/ant-javafx.jar"/>
 
      <fx:application id="HelloWorldID"
        name="JavaFXHelloWorldApp"
        mainClass="HelloWorld"/>
 
      <fx:resources id="appRes">
        <fx:fileset dir="${build.dist.dir}" includes="HelloWorld.jar"/>
      </fx:resources>
 
      <fx:jar destfile="${build.dist.dir}/HelloWorld.jar">
        <fx:application refid="HelloWorldID"/>
        <fx:resources refid="appRes"/>
        <fileset dir="${build.classes.dir}"/>
      </fx:jar>
 
      <fx:deploy width="300" height="250"
        outdir="." embedJNLP="true"
        outfile="helloworld">
 
        <fx:application refId="HelloWorldID"/>
 
        <fx:resources refid="appRes"/>
 
        <fx:info title="JavaFX Hello World Application"
          vendor="Oracle Corporation"/>
 
      </fx:deploy>
 
  </target>
 
  <target name="clean">
    <mkdir dir="${build.classes.dir}"/>
    <mkdir dir="${build.dist.dir}"/>

    <delete>
      <fileset dir="${build.classes.dir}" includes="**/*"/>
      <fileset dir="${build.dist.dir}" includes="**/*"/>
    </delete>
 
  </target>
 
  <target name="compile" depends="clean">
 
    <javac includeantruntime="false"
      srcdir="${build.src.dir}"
      destdir="${build.classes.dir}"
      fork="yes"
      executable="${JAVA_HOME}/bin/javac"
      source="1.8"
      debug="on">
    </javac>
  </target>
 
</project>

例10-4 Ensemble8サンプル・アプリケーションをデプロイするAntスクリプト

<?xml version="1.0" encoding="UTF-8" ?>
 
<project name="Ensemble8 JavaFX Demo Application" default="default" basedir="."
  xmlns:fx="javafx:com.sun.javafx.tools.ant">
 
  <property name="JAVA_HOME" value="C:\\Java\\jdk1.8.0"/>
 
  <path id="CLASSPATH">
    <pathelement location="lib/lucene-core-3.2.0.jar"/>
    <pathelement location="lib/lucene-grouping-3.2.0.jar"/>
    <pathelement path="classes"/>
  </path>
  
  <property name="build.src.dir" value="src"/>
  <property name="build.classes.dir" value="classes"/>
  <property name="build.dist.dir" value="dist"/>
 
  <target name="default" depends="clean,compile">
 
    <taskdef resource="com/sun/javafx/tools/ant/antlib.xml"
      uri="javafx:com.sun.javafx.tools.ant"
      classpath="${JAVA_HOME}/lib/ant-javafx.jar"/>
 
      <fx:application id="ensemble8"
        name="Ensemble8"
        mainClass="ensemble.EnsembleApp"/>
 
      <fx:resources id="appRes">
        <fx:fileset dir="${build.dist.dir}" includes="ensemble8.jar"/>
        <fx:fileset dir="lib"/>
        <fx:fileset dir="${build.classes.dir}"/>
      </fx:resources>
 
      <fx:jar destfile="${build.dist.dir}/ensemble8.jar">
        <fx:application refid="ensemble8"/>
        <fx:resources refid="appRes"/>
      </fx:jar>
 
      <fx:deploy outdir="." embedJNLP="true"
        outfile="ensemble8"
        nativeBundles="all">
 
        <fx:application refId="ensemble8"/>
 
        <fx:resources refid="appRes"/>
 
        <fx:info title="Ensemble8 JavaFX Demo Application"
          vendor="Oracle Corporation"/>
 
      </fx:deploy>
 
  </target>
 
  <target name="clean">
    <mkdir dir="${build.classes.dir}"/>
    <mkdir dir="${build.dist.dir}"/>
 
    <delete>
      <fileset dir="${build.classes.dir}" includes="**/*"/>
      <fileset dir="${build.dist.dir}" includes="**/*"/>
    </delete>
 
  </target>
 
  <target name="compile" depends="clean">
 
    <javac includeantruntime="false"
      srcdir="${build.src.dir}"
      destdir="${build.classes.dir}"
      fork="yes"
      executable="${JAVA_HOME}/bin/javac"
      source="1.8"
      debug="on"
      classpathref="CLASSPATH">
    </javac>
    
    <!-- Copy resources to build.classes.dir -->
    
      <copy todir="${build.classes.dir}">
        <fileset dir="src/app/resources"/>
        <fileset dir="src/generated/resources"/>
        <fileset dir="src/samples/resources"/>
      </copy>
    
  </target>
 
</project>

例10-5 MemoryExamplePreferences.java

import java.util.prefs.Preferences;
 
public class MemoryTestPreferences {
  private Preferences prefs;
 
  public void setPreferences() {
 
    // This will define a node in which the preferences can be stored
    prefs = Preferences.userRoot().node(System.getProperty("app.preferences.id")).node("JVMUserOptions");
 
    // now set the values
    prefs.put("-Xmx", "2048m");
    prefs.put("-Xms", "2048m");
 
  }
 
  public static void main(String[] args) {
    MemoryTestPreferences myPrefs = new MemoryTestPreferences();
    myPrefs.setPreferences();
  }
}

例10-6 MemoryExample.java

import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.geometry.HPos;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.ListView;
import javafx.scene.control.TextField;
import javafx.scene.layout.ColumnConstraints;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.Priority;
import javafx.scene.layout.Region;
import javafx.stage.Stage;
 
import java.lang.management.ManagementFactory;
import java.util.prefs.BackingStoreException;
import java.util.prefs.Preferences;
 
public class MemoryTest extends Application {
 
    @Override
    public void start(Stage primaryStage) {
        String startMemory = Long.toString(Runtime.getRuntime().totalMemory());
        String maxMemory = Long.toString(Runtime.getRuntime().maxMemory());
 
        System.out.println("Start memory: " + startMemory);
 
        System.out.println("Max memory: " + maxMemory);
 
        final Label startMemoryLabel = new Label("Start memory: ");
        TextField startMemoryTextField = new TextField(startMemory);
        startMemoryTextField.setPromptText(startMemory);
 
        Label maxMemoryLabel = new Label("Max memory: ");
        final TextField maxMemoryTextField = new TextField(maxMemory);
        maxMemoryTextField.setPromptText(maxMemory);
 
        Label jvmArgumentsLabel = new Label("JVM Arguments");
        ListView<String> jvmArguments = new ListView<>(FXCollections.observableArrayList(ManagementFactory.getRuntimeMXBean().getInputArguments()));
        jvmArguments.setPrefSize(450, 150);
 
        Button btn = new Button();
        btn.setText("Update Preferences");
        btn.setOnAction(event -> {
            Preferences prefs = Preferences.userRoot().node(System.getProperty("app.preferences.id")).node("JVMUserOptions");
            String start = startMemoryTextField.getText();
            if (start == null || start.isEmpty()) {
                prefs.remove("-Xms");
            } else {
                prefs.put("-Xms", start);
            }
 
            String max = maxMemoryTextField.getText();
            if (max == null || max.isEmpty()) {
                prefs.remove("-Xmx");
            } else {
                prefs.put("-Xmx", max);
            }
 
            try {
                prefs.flush();
            } catch (BackingStoreException e) {
                e.printStackTrace();
            }
        });
 
 
        GridPane grid = new GridPane();
        grid.setAlignment(Pos.CENTER);
        grid.setHgap(10);
        grid.setVgap(10);
        grid.setPadding(new Insets(25, 25, 25, 25));
        grid.getColumnConstraints().setAll(
                new ColumnConstraints(Region.USE_PREF_SIZE, Region.USE_COMPUTED_SIZE, Region.USE_PREF_SIZE, Priority.NEVER, HPos.RIGHT, false),
                new ColumnConstraints(Region.USE_PREF_SIZE, Region.USE_COMPUTED_SIZE, Integer.MAX_VALUE, Priority.ALWAYS, HPos.LEFT, true)
        );
 
        grid.addRow(0, startMemoryLabel, startMemoryTextField);
        grid.addRow(1, maxMemoryLabel, maxMemoryTextField);
        grid.addRow(2, jvmArgumentsLabel, jvmArguments);
        grid.add(btn, 1, 3);
        grid.setMinSize(Region.USE_PREF_SIZE, Region.USE_PREF_SIZE);
 
 
        Scene scene = new Scene(grid);
 
        primaryStage.setTitle("Memory test");
        primaryStage.sizeToScene();
        primaryStage.setScene(scene);
        primaryStage.show();
    }
 
    public static void main(String[] args) {
        launch(args);
    }
}

例10-7 メモリー・テスト用のAntスクリプトの例

<?xml version="1.0" encoding="UTF-8" ?>
 
<project name="JavaFX Hello World Example" default="default" basedir="."
         xmlns:fx="javafx:com.sun.javafx.tools.ant">
 
    <property environment="env"/>
    <property name="env.JAVA_HOME" value="C:\\Java\\jdk1.8.0"/>
    <property name="build.src.dir" value="src"/>
    <property name="build.classes.dir" value="classes"/>
    <property name="build.dist.dir" value="dist"/>
 
    <target name="default" depends="clean,compile">
 
        <taskdef resource="com/sun/javafx/tools/ant/antlib.xml"
                 uri="javafx:com.sun.javafx.tools.ant"
                 classpath="${env.JAVA_HOME}/lib/ant-javafx.jar"/>
 
      <fx:application id="MemoryTestAppID"
                        name="JavaFXMemoryTestApp"
                        mainClass="MemoryTest"/>
 
        <fx:resources id="appRes">
            <fx:fileset dir="${build.dist.dir}" includes="MemoryTest.jar"/>
        </fx:resources>
 
        <fx:jar destfile="${build.dist.dir}/MemoryTest.jar">
        <fx:application refid="MemoryTestAppID"/>
            <fx:resources refid="appRes"/>
            <fileset dir="${build.classes.dir}"/>
        </fx:jar>
 
        <fx:deploy width="300" height="250"
                   outdir="." embedJNLP="true"
                   outfile="memorytest"
                   nativeBundles="image">
 
            <fx:platform>
                <fx:jvmuserarg name="-Xms" value="31m"/>
                <fx:jvmuserarg name="-Xmx" value="64m"/>
            </fx:platform>
 
        <fx:application refId="MemoryTestAppID"/>
 
            <fx:resources refid="appRes"/>
 
            <fx:info title="JavaFX Hello World Application"
                     vendor="Oracle Corporation"/>
 
        </fx:deploy>
 
    </target>
 
    <target name="clean">
        <mkdir dir="${build.classes.dir}"/>
        <mkdir dir="${build.dist.dir}"/>
 
        <delete>
            <fileset dir="${build.classes.dir}" includes="**/*"/>
            <fileset dir="${build.dist.dir}" includes="**/*"/>
        </delete>
 
    </target>
 
    <target name="compile" depends="clean">
 
        <javac includeantruntime="false"
               srcdir="${build.src.dir}"
               destdir="${build.classes.dir}"
               fork="yes"
               executable="${env.JAVA_HOME}/bin/javac"
               source="1.8"
               debug="on">
        </javac>
 
        <!-- Set preferences -->
 
        <java fork="true" jvm="${env.JAVA_HOME}\bin\java"
              classname="MemoryTestPreferences" classpath="${build.classes.dir}">
            <sysproperty key="app.preferences.id" value="MemoryTestAppID"/>
        </java>
    </target>
 
    <target name="jar" depends="compile">
        <jar destfile="dist/MemoryTest.jar"
             basedir="classes"/>
    </target>
 
</project>