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index.zulzul<zk>
<window id="test" border="normal" height="98%"
apply="org.zkoss.bind.BindComposer"
viewModel="@id('vm') @init('pkg$.FileUploadVM')">
<label value="You are using: ${desktop.webApp.version}" />
<separator></separator>
<label
value="Example for File upload to the server and display it" />
<separator></separator>
<hbox>
<label value="Upload any PDF File" />
<button label="Upload" upload="true"
onUpload="@command('onUploadPDF',upEvent=event)">
</button>
<button label="Show PDF" visible="@load(vm.fileuploaded)"
onClick="@command('showPDF')">
</button>
</hbox>
<iframe height="100%" width="100%" id="reportframe"
content="@bind(vm.fileContent)">
</iframe>
</window>
</zk>FileUploadVM.javajavaimport java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Calendar;
import org.zkoss.bind.BindContext;
import org.zkoss.bind.BindUtils;
import org.zkoss.bind.annotation.AfterCompose;
import org.zkoss.bind.annotation.Command;
import org.zkoss.bind.annotation.ContextParam;
import org.zkoss.bind.annotation.ContextType;
import org.zkoss.bind.annotation.NotifyChange;
import org.zkoss.io.Files;
import org.zkoss.util.media.AMedia;
import org.zkoss.util.media.Media;
import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.Executions;
import org.zkoss.zk.ui.event.UploadEvent;
import org.zkoss.zk.ui.select.Selectors;
import org.zkoss.zk.ui.select.annotation.Wire;
import org.zkoss.zul.Iframe;
import org.zkoss.zul.Messagebox;
import org.zkoss.zul.Window;
public class FileUploadVM {
private String filePath;
private boolean fileuploaded = false;
AMedia fileContent;
@Wire("#test")
private Window win;
public AMedia getFileContent() {
return fileContent;
}
public void setFileContent(AMedia fileContent) {
this.fileContent = fileContent;
}
public boolean isFileuploaded() {
return fileuploaded;
}
public void setFileuploaded(boolean fileuploaded) {
this.fileuploaded = fileuploaded;
}
@AfterCompose
public void initSetup(@ContextParam(ContextType.VIEW) Component view)
{
Selectors.wireComponents(view, this, false);
}
@Command
@NotifyChange("fileuploaded")
public void onUploadPDF(
@ContextParam(ContextType.BIND_CONTEXT) BindContext ctx)
throws IOException {
UploadEvent upEvent = null;
Object objUploadEvent = ctx.getTriggerEvent();
if (objUploadEvent != null && (objUploadEvent instanceof UploadEvent)) {
upEvent = (UploadEvent) objUploadEvent;
}
if (upEvent != null) {
Media media = upEvent.getMedia();
Calendar now = Calendar.getInstance();
int year = now.get(Calendar.YEAR);
int month = now.get(Calendar.MONTH); // Note: zero based!
int day = now.get(Calendar.DAY_OF_MONTH);
filePath = Executions.getCurrent().getDesktop().getWebApp()
.getRealPath("/");
String yearPath = "\\" + "PDFs" + "\\" + year + "\\" + month + "\\"
+ day + "\\";
filePath = filePath + yearPath;
File baseDir = new File(filePath);
if (!baseDir.exists()) {
baseDir.mkdirs();
}
Files.copy(new File(filePath + media.getName()),
media.getStreamData());
Messagebox.show("File Sucessfully uploaded in the path [ ."
+ filePath + " ]");
fileuploaded = true;
filePath = filePath + media.getName();
}
}
@Command
@NotifyChange("fileContent")
public void showPDF() throws IOException {
File f = new File(filePath);
Messagebox.show(" dfdfdfdsfdsf" + filePath);
byte[] buffer = new byte[(int) f.length()];
FileInputStream fs = new FileInputStream(f);
fs.read(buffer);
fs.close();
ByteArrayInputStream is = new ByteArrayInputStream(buffer);
fileContent = new AMedia("report", "pdf", "application/pdf", is);
}
}