worddocumentproperties.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.office;

import com.jacob.activeX.ActiveXComponent;
import com.jacob.com.ComException;
import com.jacob.com.Dispatch;
import com.jacob.com.Variant;

/**
 * Submitted to the Jacob SourceForge web site as a sample 3/2005
 * 
 * @author Date Created Description Jason Twist 04 Mar 2005 Code opens a locally
 *         stored Word document and extracts the Built In properties and Custom
 *         properties from it. This code just gives an intro to JACOB and there
 *         are sections that could be enhanced
 */
public class WordDocumentProperties {
	// Declare word object
	private ActiveXComponent objWord;

	// Declare Word Properties
	private Dispatch custDocprops;

	private Dispatch builtInDocProps;

	// the doucments object is important in any real app but this demo doesn't
	// use it
	// private Dispatch documents;

	private Dispatch document;

	private Dispatch wordObject;

	/**
	 * Empty Constructor
	 * 
	 */
	public WordDocumentProperties() {
	}

	/**
	 * Opens a document
	 * 
	 * @param filename
	 */
	public void open(String filename) {
		// Instantiate objWord
		objWord = new ActiveXComponent("Word.Application");

		// Assign a local word object
		wordObject = objWord.getObject();

		// Create a Dispatch Parameter to hide the document that is opened
		Dispatch.put(wordObject, "Visible", new Variant(false));

		// Instantiate the Documents Property
		Dispatch documents = objWord.getProperty("Documents").toDispatch();

		// Open a word document, Current Active Document
		document = Dispatch.call(documents, "Open", filename).toDispatch();
	}

	/**
	 * Creates an instance of the VBA CustomDocumentProperties property
	 * 
	 */
	public void selectCustomDocumentProperitiesMode() {
		// Create CustomDocumentProperties and BuiltInDocumentProperties
		// properties
		custDocprops = Dispatch.get(document, "CustomDocumentProperties")
				.toDispatch();
	}

	/**
	 * Creates an instance of the VBA BuiltInDocumentProperties property
	 * 
	 */
	public void selectBuiltinPropertiesMode() {
		// Create CustomDocumentProperties and BuiltInDocumentProperties
		// properties
		builtInDocProps = Dispatch.get(document, "BuiltInDocumentProperties")
				.toDispatch();
	}

	/**
	 * Closes a document
	 * 
	 */
	public void close() {
		// Close object
		Dispatch.call(document, "Close");
	}

	/**
	 * Custom Property Name is passed in
	 * 
	 * @param cusPropName
	 * @return String - Custom property value
	 */
	public String getCustomProperty(String cusPropName) {
		try {
			cusPropName = Dispatch.call(custDocprops, "Item", cusPropName)
					.toString();
		} catch (ComException e) {
			// Do nothing
			cusPropName = null;
		}

		return cusPropName;
	}

	/**
	 * Built In Property Name is passed in
	 * 
	 * @param builtInPropName
	 * @return String - Built in property value
	 */
	public String getBuiltInProperty(String builtInPropName) {
		try {
			builtInPropName = Dispatch.call(builtInDocProps, "Item",
					builtInPropName).toString();
		} catch (ComException e) {
			// Do nothing
			builtInPropName = null;
		}

		return builtInPropName;
	}

	/**
	 * simple main program that gets some properties and prints them out
	 * 
	 * @param args
	 */
	public static void main(String[] args) {
		try {
			// Instantiate the class
			WordDocumentProperties jacTest = new WordDocumentProperties();

			// Open the word doc
			jacTest.open("\\\\Saturn\\documentstorage\\s.doc");

			// Set Custom Properties
			jacTest.selectCustomDocumentProperitiesMode();

			// Set Built In Properties
			jacTest.selectBuiltinPropertiesMode();

			// Get custom Property Value
			String custValue = jacTest.getCustomProperty("Information Source");

			// Get built in prroperty Property Value
			String builtInValue = jacTest.getBuiltInProperty("Author");

			// Close Word Doc
			jacTest.close();

			// Output data
			System.out.println("Document Val One: " + custValue);
			System.out.println("Document Author: " + builtInValue);

		} catch (Exception e) {
			System.out.println(e);
		}
	}
}