98 lines
2.6 KiB
Java
98 lines
2.6 KiB
Java
package org.gcube.common.portal;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Properties;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* Clients can obtain the single instance of the {@link PortalContext} by invoking its static method {@link #getConfiguration()}.
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* The first invocation of the method triggers the initialisation of the instance.
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*
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* @author Massimiliano Assante (ISTI-CNR)
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*
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*/
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public class PortalContext {
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private static final Logger _log = LoggerFactory.getLogger(PortalContext.class);
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public static final String INFRASTRUCTURE_NAME = "infrastructure";
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public static final String SCOPES = "scopes";
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protected static PortalContext singleton = new PortalContext();
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private String infra;
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private String vos;
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private PortalContext() {
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initialize();
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}
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/**
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*
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* @return the instance
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*/
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public synchronized static PortalContext getConfiguration() {
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return singleton == null ? new PortalContext() : singleton;
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}
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private void initialize() {
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Properties props = new Properties();
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try {
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String propertyfile = getGCoreFolder() + File.separator + "infrastructure.properties";
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File propsFile = new File(propertyfile);
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FileInputStream fis = new FileInputStream(propsFile);
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props.load( fis);
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infra = props.getProperty(INFRASTRUCTURE_NAME);
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vos = props.getProperty(SCOPES);
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}
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catch(IOException e) {
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infra = "gcube";
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vos = "";
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_log.error("infrastructure.properties file not found under $CATALINA_HOME/ dir, setting default infrastructure Name and no Scopes" + infra);
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}
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_log.info("PortalContext configurator correctly initialized on " + infra);
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}
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/**
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*
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* @return the infrastructure name in which your client runs
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*/
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public String getInfrastructureName() {
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return this.infra;
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}
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/**
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*
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* @return the value of the scopes as it is in the property file (a string with comma separated vales)
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*/
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public String getVOsAsString() {
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return this.vos;
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}
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/**
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*
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* @return the value of the scopes
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*/
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public List<String> getVOs() {
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List<String> toReturn = new ArrayList<String>();
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if (vos == null || vos.equals(""))
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return toReturn;
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String[] split = vos.split(",");
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for (int i = 0; i < split.length; i++) {
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toReturn.add(split[i].trim());
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}
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return toReturn;
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}
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/**
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*
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* @return $CATALINA_HOME
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*/
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private static String getGCoreFolder() {
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return (System.getenv("GLOBUS_LOCATION").endsWith("/") ? System.getenv("GLOBUS_LOCATION") : System.getenv("GLOBUS_LOCATION")+"/");
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}
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}
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