upload.java

来自「Enjoy Web Dev With Tapestry 一书的源代码」· Java 代码 · 共 29 行

package com.ttdev.album;

import java.io.*;

import org.apache.tapestry.annotations.*;
import org.apache.tapestry.html.*;
import org.apache.tapestry.request.*;

public abstract class Upload extends BasePage {
	public abstract IUploadFile getFile();
	
	@InjectMeta("com.ttdev.album.image-folder")
	public abstract String getImageFolder();

	public void onOk() {
		if (getFile().getFileName().length()==0) {
			return;
		}
		byte imageData[] = new byte[(int) getFile().getSize()];
		InputStream fileInput = getFile().getStream();
		try {
			fileInput.read(imageData);
		} catch (IOException e) {
			throw new RuntimeException(e);
		}
		ImageDB.saveImage(101, imageData, getImageFolder());
	}
}