fr.esrf.icat.manager.core.handlers.NewServerHandler.java Source code

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Here is the source code for fr.esrf.icat.manager.core.handlers.NewServerHandler.java

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package fr.esrf.icat.manager.core.handlers;

/*
 * #%L
 * icat-manager :: core
 * %%
 * Copyright (C) 2014 ESRF - The European Synchrotron
 * %%
 * Licensed 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.
 * #L%
 */

import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.apache.commons.validator.routines.UrlValidator;
import org.eclipse.e4.core.di.annotations.Execute;
import org.eclipse.jface.dialogs.IInputValidator;
import org.eclipse.jface.dialogs.InputDialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.widgets.Shell;

import fr.esrf.icat.manager.core.ICATDataService;
import fr.esrf.icat.manager.core.icatserver.ICATServer;

public class NewServerHandler {

    private final static Pattern URL_PATTERN = Pattern.compile("^(.+?)/?(?:ICATService)?/?(?:ICAT\\?wsdl)?\\z");

    @Execute
    public void execute(final Shell shell) {
        boolean notok = true;
        final UrlValidator validator = new UrlValidator(new String[] { "http", "https" });
        while (notok) {
            InputDialog dlg = new InputDialog(shell, "New ICAT server",
                    "Enter the URL of the new ICAT server\nYou can set either the service, wsdl or server URL", "",
                    new IInputValidator() {
                        @Override
                        public String isValid(String newText) {
                            if (null == newText || newText.isEmpty()) {
                                return "Please provide an URL";
                            }
                            if (!validator.isValid(newText)) {
                                return "Invalid URL";
                            }
                            return null;
                        }
                    });
            if (dlg.open() == Window.OK) {
                final String s = dlg.getValue();
                final Matcher matcher = URL_PATTERN.matcher(s);
                if (matcher.find()) {
                    final String serverURL = matcher.group(1) + "/";
                    if (validator.isValid(serverURL)) {
                        ICATDataService.getInstance().addServer(new ICATServer(serverURL));
                        notok = false;
                    } else {
                        MessageDialog.openError(shell, "Invalid server", serverURL + " appears to be invalid");
                    }
                } else {
                    MessageDialog.openError(shell, "Invalid URL", s + " appears to be invalid");
                }
            } else {
                notok = false;
            }
        }
    }

}