net.anyflow.lannister.Settings.java Source code

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Here is the source code for net.anyflow.lannister.Settings.java

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/*
 * Copyright 2016 The Lannister Project
 * 
 * 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.
 */

package net.anyflow.lannister;

import java.io.File;
import java.io.IOException;
import java.security.cert.CertificateException;
import java.util.Map;

import com.fasterxml.jackson.databind.ObjectMapper;

import io.netty.handler.ssl.util.SelfSignedCertificate;

public class Settings extends java.util.Properties {

    private static final long serialVersionUID = -3232325711649130464L;

    protected static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(Settings.class);

    private final static String CONFIG_NAME = "lannister.cfg";

    public final static Settings SELF;

    static {
        SELF = new Settings();
    }

    private Map<String, String> webResourceExtensionToMimes;
    private SelfSignedCertificate ssc;
    private java.util.Properties gitProperties;

    @SuppressWarnings("unchecked")
    private Settings() {
        gitProperties = new java.util.Properties();

        try {
            load(Application.class.getClassLoader().getResourceAsStream(CONFIG_NAME));
            gitProperties.load(Application.class.getClassLoader().getResourceAsStream("git.properties"));

            ssc = new SelfSignedCertificate();
        } catch (IOException e) {
            logger.error("Settings instantiation failed.", e);
        } catch (CertificateException e) {
            logger.error(e.getMessage(), e);
        }

        try {
            webResourceExtensionToMimes = (new ObjectMapper()).readValue(getProperty("menton.httpServer.MIME"),
                    Map.class);
        } catch (IOException e) {
            logger.error(e.getMessage(), e);
        }

    }

    public Integer getInt(String key, Integer defaultValue) {
        String valueString = this.getProperty(key.trim());

        if (valueString == null) {
            return defaultValue;
        }

        try {
            return Integer.parseInt(valueString.trim());
        } catch (NumberFormatException e) {
            return defaultValue;
        }
    }

    public boolean getBoolean(String key, boolean defaultValue) {
        String valueString = this.getProperty(key.trim());

        if (valueString == null) {
            return defaultValue;
        }

        return "true".equalsIgnoreCase(valueString.trim());
    }

    public Map<String, String> webResourceExtensionToMimes() {
        return webResourceExtensionToMimes;
    }

    public static Integer tryParse(String text) {
        try {
            return Integer.parseInt(text);
        } catch (NumberFormatException e) {
            return null;
        }
    }

    public Integer mqttPort() {
        return tryParse(getProperty("lannister.tcp.port", null));
    }

    public Integer mqttsPort() {
        return tryParse(getProperty("lannister.tcp.ssl.port", null));
    }

    public Integer websocketPort() {
        return tryParse(getProperty("lannister.websocket.port", null));
    }

    public Integer websocketSslPort() {
        return tryParse(getProperty("lannister.websocket.ssl.port", null));
    }

    public Integer httpPort() {
        return tryParse(getProperty("menton.httpServer.http.port", null));
    }

    public Integer httpsPort() {
        return tryParse(getProperty("menton.httpServer.https.port", null));
    }

    public File certChainFile() {
        String certFilePath = getProperty("menton.ssl.certChainFilePath", null);

        return "self".equalsIgnoreCase(certFilePath) ? ssc.certificate() : new File(certFilePath);
    }

    public File privateKeyFile() {
        String privateKeyFilePath = getProperty("menton.ssl.privateKeyFilePath", null);

        return "self".equalsIgnoreCase(privateKeyFilePath) ? ssc.privateKey() : new File(privateKeyFilePath);
    }

    /**
     * @return context root path
     */
    public String httpContextRoot() {
        String ret = getProperty("menton.httpServer.contextRoot", "/");

        if (ret.equalsIgnoreCase("") || ret.charAt(ret.length() - 1) != '/') {
            ret += "/";
        }

        return ret;
    }

    public String webResourcePhysicalRootPath() {
        return this.getProperty("menton.httpServer.webResourcePhysicalRootPath", null);
    }

    public void setWebResourcePhysicalRootPath(String physicalRootPath) {
        this.setProperty("menton.httpServer.webResourcePhysicalRootPath", physicalRootPath);
    }

    public String version() {
        return getProperty("lannister.version");
    }

    public String commitId() {
        return this.gitProperties.getProperty("git.commit.id");
    }

    public String commitIdDescribe() {
        return this.gitProperties.getProperty("git.commit.id.describe");
    }

    public String buildTime() {
        return this.gitProperties.getProperty("git.build.time");
    }
}