visioapp.java

java与windows的com桥,可以用来操作所有的com程序如word或者excel等

package com.jacob.samples.visio;

import java.io.File;

import com.jacob.activeX.ActiveXComponent;
import com.jacob.com.DispatchEvents;
import com.jacob.com.Variant;

/**
 * Created as part of sourceforge 1386454 to demonstrate returning values in
 * event handlers
 * 
 * @author [e-mail]
 * 
 * This class represents the visio app itself
 */
public class VisioApp extends ActiveXComponent {

	/**
	 * constructor that spins up Visio
	 * 
	 * @throws VisioException
	 */
	public VisioApp() throws VisioException {
		super("Visio.Application");
		setVisible(false);
	}

	/**
	 * creates a DispatchEvents object to register o as a listener
	 * 
	 * @param o
	 */
	public void addEventListener(VisioEventListener o) {
		DispatchEvents events = new DispatchEvents(this, o);
		if (events == null) {
			System.out
					.println("You should never get null back when creating a DispatchEvents object");
		}
	}

	/**
	 * opens the passed in file in Visio
	 * 
	 * @param f
	 * @throws VisioException
	 */
	public void open(File f) throws VisioException {
		try {
			ActiveXComponent documents = new ActiveXComponent(getProperty(
					"Documents").toDispatch());
			Variant[] args = new Variant[1];
			args[0] = new Variant(f.getPath());
			documents.invoke("Open", args);
		} catch (Exception e) {
			e.printStackTrace();
			throw new VisioException(e);
		}
	}

	/**
	 * tells Visio to save the drawing
	 * 
	 * @throws VisioException
	 */
	public void save() throws VisioException {
		try {
			ActiveXComponent document = new ActiveXComponent(getProperty(
					"ActiveDocument").toDispatch());
			document.invoke("Save");
		} catch (Exception e) {
			e.printStackTrace();
			throw new VisioException(e);
		}
	}

	/**
	 * terminates Visio
	 */
	public void quit() {
		System.out.println("Received quit()");
		// there can't be any open documents for this to work
		// you'll get a visio error if you don't close them
		ActiveXComponent document = new ActiveXComponent(getProperty(
				"ActiveDocument").toDispatch());
		document.invoke("Close");
		invoke("Quit");
	}

	/**
	 * runs the Visio export command
	 * 
	 * @param f
	 * @throws VisioException
	 */
	public void export(File f) throws VisioException {
		try {
			ActiveXComponent document = new ActiveXComponent(getProperty(
					"ActivePage").toDispatch());
			Variant[] args = new Variant[1];
			args[0] = new Variant(f.getPath());
			document.invoke("Export", args);
		} catch (Exception e) {
			throw new VisioException(e);
		}
	}

	/**
	 * makes Visio visible so the user can watch
	 * 
	 * @param b
	 * @throws VisioException
	 */
	public void setVisible(boolean b) throws VisioException {
		try {
			setProperty("Visible", new Variant(b));
		} catch (Exception e) {
			throw new VisioException(e);
		}
	}
}