IDEMPIERE-1083 Print shipping label applet is not working

This commit is contained in:
Elaine Tan 2013-06-21 12:27:01 +08:00
parent cee1db4c65
commit 08b1b1b2cf
5 changed files with 212 additions and 38 deletions

View File

@ -0,0 +1,120 @@
import java.awt.print.PrinterJob;
import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import javax.print.Doc;
import javax.print.DocFlavor;
import javax.print.DocPrintJob;
import javax.print.PrintService;
import javax.print.SimpleDoc;
import javax.print.attribute.HashDocAttributeSet;
import javax.print.attribute.standard.DocumentName;
import javax.swing.JApplet;
/**
*
* @author Low Heng Sin
*
*/
public class PrintLabelApplet extends JApplet {
/**
*
*/
private static final long serialVersionUID = -3107445661561669767L;
private ArrayList<String> filepaths = new ArrayList<String>();
private int listSize = 0;
@Override
public void init() {
String s = getParameter("size");
try {
listSize = Integer.parseInt(s);
} catch (Exception e) {
System.out.println("Invalid listSize param=" + s);
listSize = 0;
}
for (int i = 0; i < listSize; i++)
filepaths.add(getParameter("file_" + i));
super.init();
}
@Override
public void start() {
System.out.println(this.getClass().getName() + " start()");
PrinterJob pjob = null;
PrintService service = null;
DocFlavor flavor = DocFlavor.BYTE_ARRAY.AUTOSENSE;
try {
int count = 0;
while (true) {
URL url = new URL(getCodeBase(), "labeldata.jsp?filepath=" + filepaths.get(count) + "&count=" + (count + 1));
System.out.println("Protocol="+url.getProtocol());
System.out.println("Host="+url.getHost());
System.out.println("Port="+url.getPort());
System.out.println("Default Port="+url.getDefaultPort());
System.out.println("Path"+url.getPath());
System.out.println("URL="+url.toString());
URLConnection conn = url.openConnection();
int contentLength = conn.getContentLength();
System.out.println("ContentLength="+contentLength);
InputStream is = conn.getInputStream();
System.out.println("InputStream="+is.available());
byte[] data = null;
BufferedInputStream bis = new BufferedInputStream(is);
System.out.println("BufferedInputStream="+bis.available());
ByteArrayOutputStream baos = new ByteArrayOutputStream();
while(bis.available() > 0) {
baos.write(bis.read());
}
is.close();
bis.close();
data = baos.toByteArray();
baos.close();
System.out.println("ByteArrayOutputStream="+data.length);
if (data.length > 0) {
count ++;
if (pjob == null) {
// Create Print Job
pjob = PrinterJob.getPrinterJob();
if (pjob.printDialog())
service = pjob.getPrintService();
else
break;
}
DocPrintJob job = service.createPrintJob();
HashDocAttributeSet as = new HashDocAttributeSet();
as.add(new DocumentName("shipping label", null));
Doc doc = new SimpleDoc(data, flavor, as);
job.print(doc, null);
} else {
break;
}
if (count >= listSize)
break;
}
this.showStatus(count + " label printed.");
} catch (Exception e) {
e.printStackTrace();
this.showStatus("Failed to print label - " + e.getLocalizedMessage());
}
}
@Override
public void destroy() {
System.out.println(this.getClass().getName() + " destroy()");
}
@Override
public void stop() {
System.out.println(this.getClass().getName() + " stop()");
}
}

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@ -13,20 +13,16 @@
*****************************************************************************/
package org.adempiere.webui;
import java.io.File;
import java.io.FileOutputStream;
import java.util.List;
import java.util.UUID;
import javax.servlet.http.HttpSession;
import org.adempiere.webui.component.ToolBarButton;
import org.adempiere.webui.component.Window;
import org.apache.commons.codec.binary.Base64;
import org.zkoss.zk.au.out.AuScript;
import org.zkoss.zk.ui.Executions;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.event.EventListener;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zk.ui.util.Clients;
import org.zkoss.zul.Applet;
import org.zkoss.zul.Div;
/**
@ -44,31 +40,41 @@ public class LabelAppletWindow extends Window implements EventListener<Event>
public LabelAppletWindow(List<byte[]> list)
{
super();
String uuid = UUID.randomUUID().toString();
HttpSession session = (HttpSession) Executions.getCurrent().getDesktop().getSession().getNativeSession();
session.setAttribute(uuid, list);
Div div = new Div();
appendChild(div);
Applet applet = new Applet();
applet.setCode("PrintLabelApplet.class");
applet.setArchive("labelapplet.jar");
applet.setWidth("0");
applet.setHeight("0");
applet.setParam("size", list.size() + "");
File tempFile = null;
FileOutputStream fos = null;
for(int i = 0; i < list.size(); i++)
{
try
{
tempFile = File.createTempFile("lblapp", Long.toString(System.nanoTime()));
fos = new FileOutputStream(tempFile);
applet.setParam("file_" + i, tempFile.getAbsolutePath());
fos.write(list.get(i));
fos.close();
} catch (Exception e) {
e.printStackTrace();
}
}
div.appendChild(applet);
ToolBarButton link = new ToolBarButton();
link.setLabel("Click here to close this popup after printing is completed.");
link.addEventListener(Events.ON_CLICK, this);
appendChild(link);
this.setBorder("normal");
StringBuffer appletTag = new StringBuffer();
appletTag.append("<applet code='PrintLabelApplet.class' archive='labelapplet.jar' width=0 height=0>");
appletTag.append("<param name='key' value='" + uuid + "'>");
appletTag.append("<param name='size' value='" + list.size() + "'>");
for(int i = 0; i < list.size(); i++)
appletTag.append("<param name='data_" + i + "' value='" + Base64.encodeBase64(list.get(i)) + "'>");
appletTag.append("</applet>");
String script = "document.getElementById('" + div.getUuid() + "').innerHTML=\"" + appletTag.toString() + "\";";
Clients.response(new AuScript(div, script));
}
public void onEvent(Event event) throws Exception

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@ -0,0 +1,25 @@
<project name="labelapplet" basedir="." default="sign">
<target name="build">
<mkdir dir="bin"/>
<javac srcdir="WEB-INF/src"
destdir="bin"
debug="on"
listfiles="yes"
excludes="**/fi/**, **/metainfo/**, **/org/**, **/web/**"/>
</target>
<target name="jar" depends="build">
<jar destfile="labelapplet.jar" basedir="bin">
<manifest>
<attribute name="Built-By" value="Trek Global"/>
</manifest>
</jar>
</target>
<target name="sign" depends="jar">
<signjar alias="labelapplet"
storepass="labelapplet"
jar="labelapplet.jar"
keystore="labelappletkeystore"/>
</target>
</project>

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@ -1,29 +1,52 @@
<%@ page trimDirectiveWhitespaces="true" %>
<%@page import="java.io.ByteArrayOutputStream"%>
<%@page import="java.io.FileInputStream"%>
<%@page import="java.io.File"%>
<%@page import="java.io.BufferedOutputStream"%>
<%@page import="java.io.OutputStream"%>
<%@ page language="java" contentType="application/octet-stream"%>
<%
String key = request.getParameter("key");
if (key == null || key.trim().length() == 0 )
String filepath = request.getParameter("filepath");
if (filepath == null || filepath.trim().length() == 0 )
return;
Object object = session.getAttribute(key);
if (object != null && object instanceof java.util.List) {
java.util.List list = (java.util.List)object;
System.out.println("size=" + list.size());
if (!list.isEmpty()) {
byte[] data = (byte[])list.remove(0);
System.out.println("length=" + data.length);
File file = new File(filepath);
if (file.exists())
{
FileInputStream fis = null;
ByteArrayOutputStream baos = null;
byte[] data = null;
try
{
fis = new FileInputStream (file);
baos = new ByteArrayOutputStream();
byte[] buffer = new byte[1024*8]; // 8kB
int length = -1;
while ((length = fis.read(buffer)) != -1)
baos.write(buffer, 0, length);
data = baos.toByteArray();
fis.close();
baos.close();
response.setContentLength(data.length);
OutputStream os = response.getOutputStream();
BufferedOutputStream bos = new BufferedOutputStream(os);
bos.write(data);
bos.flush();
} else {
bos.close();
file.delete();
}
catch (Exception e)
{
e.printStackTrace();
response.setContentLength(0);
}
} else {
System.out.println("key not found=" + key);
}
else
{
System.out.println("file not found=" + filepath);
response.setContentLength(0);
}
%>