/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* $Header:$
*/
package fileupload;
import java.io.Serializable;
import java.io.FileNotFoundException;
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import org.apache.beehive.netui.pageflow.annotations.Jpf;
import org.apache.beehive.netui.pageflow.Forward;
import org.apache.beehive.netui.pageflow.PageFlowController;
import org.apache.beehive.netui.pageflow.Validatable;
import org.apache.struts.upload.FormFile;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.action.ActionMessage;
/**
* Demonstration of file upload to a page flow action.
*/
@Jpf.Controller(
simpleActions={
@Jpf.SimpleAction(name="begin",path="index.jsp")
},
messageBundles={
@Jpf.MessageBundle(
bundlePath="org.apache.beehive.samples.netui.resources.fileupload.messages"
)
},
// For security, multipart request handling is disabled by default. It can be enabled on a
// per-pageflow basis (as it is here), or in WEB-INF/beehive-netui-config.xml, using the
// <multipart-handler> element in <pageflow-config>.
multipartHandler = Jpf.MultipartHandler.memory
)
public class Controller extends PageFlowController {
@Jpf.Action(
forwards={
@Jpf.Forward(
name="success",
path="results.jsp",
actionOutputs={
@Jpf.ActionOutput(name="uploadForm", type=UploadForm.class, required=true)
}
)
},
validationErrorForward = @Jpf.Forward(name = "failure", path = "index.jsp")
)
public Forward upload(UploadForm form) {
// Add the UploadForm as an "action output" for the results page.
Forward fwd = new Forward("success");
fwd.addActionOutput("uploadForm", form);
return fwd;
}
@Jpf.FormBean()
public static class UploadForm
implements Serializable, Validatable {
private String _label;
private FormFile _file;
public void setLabel(String label) {
_label = label;
}
public String getLabel() {
return _label;
}
public void setFile(FormFile file) {
_file = file;
}
/**
* The submitted file (required) ends up as this FormFile object.
*/
@Jpf.ValidatableProperty(
validateRequired = @Jpf.ValidateRequired(messageKey = "errors.filerequired")
)
public FormFile getFile() {
return _file;
}
/**
* In addition to any declarative validation that is defined per-property, this method
* ensures that the submitted file is an HTML file or a text file.
*/
public void validate(ActionMapping mapping, HttpServletRequest req, ActionMessages errors) {
if (_file != null) {
String fileName = _file.getFileName();
if (! fileName.endsWith(".html") && ! fileName.endsWith(".txt")) {
errors.add("file", new ActionMessage("errors.fileextension"));
}
}
}
/**
* This getter is bound to from results.jsp.
*/
public String getFileDataString()
throws FileNotFoundException, IOException {
return new String(_file.getFileData());
}
}
}