com.aptana.webserver.ui.preferences.LocalWebServerPreferencePage.java Source code

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Here is the source code for com.aptana.webserver.ui.preferences.LocalWebServerPreferencePage.java

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/**
 * Aptana Studio
 * Copyright (c) 2005-2011 by Appcelerator, Inc. All Rights Reserved.
 * Licensed under the terms of the GNU Public License (GPL) v3 (with exceptions).
 * Please see the license.html included with this distribution for details.
 * Any modifications to this file must keep this entire header intact.
 */

package com.aptana.webserver.ui.preferences;

import java.net.InetAddress;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.eclipse.jface.preference.ComboFieldEditor;
import org.eclipse.jface.preference.FieldEditorPreferencePage;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.StringFieldEditor;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.preferences.ScopedPreferenceStore;

import com.aptana.core.logging.IdeLog;
import com.aptana.core.util.EclipseUtil;
import com.aptana.core.util.SocketUtil;
import com.aptana.core.util.StringUtil;
import com.aptana.webserver.core.WebServerCorePlugin;
import com.aptana.webserver.core.preferences.IWebServerPreferenceConstants;
import com.aptana.webserver.ui.WebServerUIPlugin;

/**
 * @author Max Stepanov
 */
public class LocalWebServerPreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage {

    private static final Pattern PORTS_PATTERN = Pattern.compile("^(\\d+)(-(\\d+))?$"); //$NON-NLS-1$

    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench)
     */
    public void init(IWorkbench workbench) {
        setMessage(Messages.LocalWebServerPreferencePage_Message);
        setDescription(Messages.LocalWebServerPreferencePage_Description);
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.preference.FieldEditorPreferencePage#createFieldEditors()
     */
    @Override
    protected void createFieldEditors() {
        List<String[]> addresses = new ArrayList<String[]>();
        for (InetAddress i : SocketUtil.getLocalAddresses()) {
            addresses.add(new String[] { i.getHostAddress(), i.getHostAddress() });
        }
        addField(new ComboFieldEditor(IWebServerPreferenceConstants.PREF_HTTP_SERVER_ADDRESS,
                StringUtil.makeFormLabel(Messages.LocalWebServerPreferencePage_Address_Label),
                addresses.toArray(new String[addresses.size()][]), getFieldEditorParent()));
        addField(new StringFieldEditor(IWebServerPreferenceConstants.PREF_HTTP_SERVER_PORTS,
                StringUtil.makeFormLabel(Messages.LocalWebServerPreferencePage_Port_Label), 11,
                getFieldEditorParent()) {
            {
                setErrorMessage(Messages.LocalWebServerPreferencePage_PortError_Message);
                setEmptyStringAllowed(true);
            }

            @Override
            protected boolean doCheckState() {
                Matcher matcher = PORTS_PATTERN.matcher(getStringValue());
                if (matcher.matches()) {
                    try {
                        int start = Integer.parseInt(matcher.group(1));
                        if (matcher.group(2) != null) {
                            int end = Integer.parseInt(matcher.group(3));
                            if (start < end) {
                                return true;
                            }
                        } else {
                            return true;
                        }
                    } catch (NumberFormatException e) {
                        IdeLog.logError(WebServerUIPlugin.getDefault(), e);
                    }
                }
                return false;
            }

        });
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.preference.PreferencePage#doGetPreferenceStore()
     */
    @Override
    protected IPreferenceStore doGetPreferenceStore() {
        return new ScopedPreferenceStore(EclipseUtil.instanceScope(), WebServerCorePlugin.PLUGIN_ID);
    }

}