org.glom.web.server.OnlineGlomProperties.java Source code

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Here is the source code for org.glom.web.server.OnlineGlomProperties.java

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/*
 * Copyright (C) 2012 Openismus GmbH
 *
 * This file is part of GWT-Glom.
 *
 * GWT-Glom is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 *
 * GWT-Glom 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 Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with GWT-Glom.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.glom.web.server;

import java.util.Properties;

import org.apache.commons.lang3.StringUtils;

/** A convenience class for dealing with the Online Glom configuration file
 * TODO: test this.
 */
class OnlineGlomProperties extends Properties {

    private static final long serialVersionUID = 4290997725469072758L;

    /** Get the credentials for a specific file, ignoring the global username and password.
     * 
     * @param filename
     * @return
     */
    public Credentials getCredentials(final String filename) {
        Credentials result = null;

        final String key = getKey(filename);
        if (key == null) {
            return result;
        }

        //Split the line at the . separators,
        final String[] keyArray = key.split("\\.");

        //Check that the third item is "filename", as expected:
        if (keyArray.length == 3 && "filename".equals(keyArray[2])) {
            //Get the username and password for this file:
            final String usernameKey = key.replaceAll(keyArray[2], "username");
            final String passwordKey = key.replaceAll(keyArray[2], "password");
            final String username = getPropertyNonNull(usernameKey).trim();
            final String password = getPropertyNonNull(passwordKey);
            result = new Credentials(null, username, password, null);
        }

        return result;
    }

    public String getGlobalUsername() {
        return getPropertyNonNull("glom.document.username").trim();
    }

    public String getGlobalPassword() {
        return getPropertyNonNull("glom.document.password");
    }

    public String getGlobalLocale() {
        return getPropertyNonNull("glom.document.locale");
    }

    public String getDocumentsDirectory() {
        return getPropertyNonNull("glom.document.directory");
    }

    /** Get the key for any *.*.filename = thefilename line.
     *
     * @param value
     * @return
     */
    private String getKey(final String filename) {

        for (final String key : stringPropertyNames()) {

            //Split the line at the . separators,
            final String[] keyArray = key.split("\\.");
            if (keyArray.length != 3)
                continue;
            if (!("filename".equals(keyArray[2]))) {
                continue;
            }

            if (getPropertyNonNull(key).trim().equals(filename)) {
                return key;
            }
        }

        return null;
    }

    private String getPropertyNonNull(final String key) {
        return StringUtils.defaultString(getProperty(key));
    }
}