CertificateDefinitionView.java
/*
** Module : CertificateDefinitionView.java
** Abstract : CertificateDefinitionView represents a PEM Certificate Upload form view.
**
** Copyright (c) 2017, Golden Code Development Corporation.
**
** -#- -I- --Date-- ----------------Description----------------------
** 001 SBI 20170601 Created initial version.
*/
/*
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU Affero General Public License as
** published by the Free Software Foundation, either version 3 of the
** License, or (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU Affero General Public License for more details.
**
** You may find a copy of the GNU Affero GPL version 3 at the following
** location: https://www.gnu.org/licenses/agpl-3.0.en.html
**
** Additional terms under GNU Affero GPL version 3 section 7:
**
** Under Section 7 of the GNU Affero GPL version 3, the following additional
** terms apply to the works covered under the License. These additional terms
** are non-permissive additional terms allowed under Section 7 of the GNU
** Affero GPL version 3 and may not be removed by you.
**
** 0. Attribution Requirement.
**
** You must preserve all legal notices or author attributions in the covered
** work or Appropriate Legal Notices displayed by works containing the covered
** work. You may not remove from the covered work any author or developer
** credit already included within the covered work.
**
** 1. No License To Use Trademarks.
**
** This license does not grant any license or rights to use the trademarks
** Golden Code, FWD, any Golden Code or FWD logo, or any other trademarks
** of Golden Code Development Corporation. You are not authorized to use the
** name Golden Code, FWD, or the names of any author or contributor, for
** publicity purposes without written authorization.
**
** 2. No Misrepresentation of Affiliation.
**
** You may not represent yourself as Golden Code Development Corporation or FWD.
**
** You may not represent yourself for publicity purposes as associated with
** Golden Code Development Corporation, FWD, or any author or contributor to
** the covered work, without written authorization.
**
** 3. No Misrepresentation of Source or Origin.
**
** You may not represent the covered work as solely your work. All modified
** versions of the covered work must be marked in a reasonable way to make it
** clear that the modified work is not originating from Golden Code Development
** Corporation or FWD. All modified versions must contain the notices of
** attribution required in this license.
*/
package com.goldencode.p2j.admin.client.application.home.accounts.certificates;
import java.util.logging.Level;
import org.gwtbootstrap3.client.ui.Button;
import org.gwtbootstrap3.client.ui.Modal;
import org.gwtbootstrap3.client.ui.TextArea;
import org.gwtbootstrap3.client.ui.TextBox;
import com.goldencode.p2j.admin.client.application.home.accounts.CertificatesOptions;
import com.goldencode.p2j.admin.client.widget.dialog.ModalViewWithUiHandlers;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.NativeEvent;
import com.google.gwt.event.dom.client.ChangeEvent;
import com.google.gwt.event.dom.client.ChangeHandler;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.ui.FileUpload;
import com.google.gwt.user.client.ui.Widget;
import com.google.inject.Inject;
/**
* Certificate Definition View is a modal dialog that provides UI to upload new certificate from
* the client to the server. PEM certificates are only supported.
*/
public class CertificateDefinitionView
extends ModalViewWithUiHandlers<CertificatesUIHandlers>
{
/**
* GWT UI creator
*/
interface Binder
extends UiBinder<Widget, CertificateDefinitionView>
{}
/** Underlined modal dialog */
@UiField
Modal modal;
/** Represents a certificate alias */
@UiField
TextBox alias;
/** The file upload widget to load PEM certificate */
@UiField
FileUpload importPEMCert;
/** Displays a PEM certificate */
@UiField
TextArea pem;
/** The button to save certificate changes */
@UiField
Button saveAction;
/** The button to close this dialog and to cancel changes */
@UiField
Button cancelAction;
/** The certificate role of the uploaded certificate */
private CertificatesOptions certificateOption;
/**
* Builds a certificate view by injecting GWT binder as its parameter
*
* @param binder
* GWT UI Binder
*/
@Inject
public CertificateDefinitionView(CertificateDefinitionView.Binder binder)
{
initWidget(binder.createAndBindUi(this));
pem.setReadOnly(true);
addShowHandler(() -> {
resetField(importPEMCert.getElement());
resetField(pem.getElement());
});
importPEMCert.addChangeHandler(new ChangeHandler()
{
@Override
public void onChange(ChangeEvent event)
{
readFile(event.getNativeEvent(), pem.getElement());
}
});
}
/**
* Returns the selected certificate role.
*
* @return The certificate role.
*/
public CertificatesOptions getCertificateOption()
{
return certificateOption;
}
/**
* Provides a certificate role.
*
* @param certificateOption
* The certificate role.
*/
public void setCertificateOption(CertificatesOptions certificateOption)
{
this.certificateOption = certificateOption;
}
/**
* A click button handler attached to the "Save" button.
*
* @param e
* Click event
*/
@UiHandler("saveAction")
void onSaveAction(ClickEvent e)
{
logger.log(Level.INFO, "onSaveAction");
String[] cert = pem.getText().split("\n");
String aliasValue = alias.getText();
getUiHandlers().addNewCertificate(aliasValue, cert, getCertificateOption());
}
/**
* A click button handler attached to the "Cancel" button.
*
* @param e
* Click event
*/
@UiHandler("cancelAction")
void onCancelAction(ClickEvent e)
{
logger.log(Level.INFO, "onCancelAction");
}
/**
* Provides an access to the target modal dialog.
*
* @return The underlined modal dialog
*/
@Override
protected Modal getModal()
{
return modal;
}
/**
* It hides this dialog.
*/
public void hide()
{
getModal().hide();
}
/**
* Read the target file.
*
* @param e
* The native event generated if the target file had been selected to upload.
* @param textArea
* The text area to display the target PEM certificate
*/
private native void readFile(NativeEvent e, Element textArea)
/*-{
if (e.target && e.target.files && e.target.files.length && e.target.files.length > 0)
{
var reader = new FileReader();
reader.onload = function(evt)
{
if (evt.target.result)
{
$wnd.jQuery(textArea).val(evt.target.result);
}
};
reader.readAsText(e.target.files[0]);
}
}-*/;
/**
* Clears the target input element.
*
* @param input
* The target input element.
*/
private native void resetField(Element input)
/*-{
if (input.value)
{
input.value = "";
}
}-*/;
}