diff options
Diffstat (limited to 'src/petascope/ConfigManager.java')
| -rw-r--r-- | src/petascope/ConfigManager.java | 254 |
1 files changed, 153 insertions, 101 deletions
diff --git a/src/petascope/ConfigManager.java b/src/petascope/ConfigManager.java index 1e997b1..81a8536 100644 --- a/src/petascope/ConfigManager.java +++ b/src/petascope/ConfigManager.java @@ -19,15 +19,21 @@ * * Copyright 2009 Jacobs University Bremen, Peter Baumann. */ - package petascope; //~--- JDK imports ------------------------------------------------------------ - +import java.io.File; import java.io.FileInputStream; import java.io.IOException; +import java.io.InputStream; +import java.net.URI; import java.util.Properties; +import javax.servlet.ServletException; +import org.apache.commons.io.IOUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import petascope.wcs2.server.templates.WcsNamespaceContext; /** * Configuration Manager class: a single entry point for all server settings. @@ -35,14 +41,22 @@ import java.util.Properties; * * @author Andrei Aiordachioaie */ -public class ConfigManager -{ - /* Settings variables */ - public static String LANGUAGE; - public static boolean PRINT_LOG; // Print to log file - public static boolean PRINT_OUT = true; // Print to standard output - public static String SERVLET_INFO; - public static String VERSION; +public class ConfigManager { + + private static Logger LOG = LoggerFactory.getLogger(ConfigManager.class); + + /* Major version number. This is the first release (1). */ + private final static String MAJOR = "1"; + /* Minor version number. .2 adds the reference implementation of WCS 2.0 */ + private final static String MINOR = "2"; + /* Bug-fix count. We have a hack because every WCPS response is written to disk. */ + private final static String BUGFIX = "2-hack"; + /* Petascope 1.2.0 contains WCS 1.1.0, WCS 2.0, WCS-T 1.0.0 and WCPS 1.0.0 */ + public final static String PETASCOPE_VERSION = MAJOR + "." + MINOR + "." + BUGFIX; + + /* Settings variables */ + public static String WCST_LANGUAGE; + public static String WCST_VERSION; public static String RASDAMAN_URL; public static String RASDAMAN_DATABASE; public static String METADATA_DRIVER; @@ -50,6 +64,14 @@ public class ConfigManager public static String METADATA_USER; public static String METADATA_PASS; + public static boolean CCIP_HACK = false; + + /* WCS 2.0 variables */ + public static String WCS2_GET_CAPABILITIES_TEMPLATE; + public static String WCS2_DESCRIBE_COVERAGE_TEMPLATE; + public static String WCS2_GET_COVERAGE_TEMPLATE; + public static String WCS2_SCHEMA_URL; + /* This URL gets initialized automatically when the first request is received. * Its value is used in the Capabilities response */ public static String PETASCOPE_SERVLET_URL; @@ -58,78 +80,71 @@ public class ConfigManager public static String WCST_DEFAULT_INTERPOLATION = "none"; public static String WCST_DEFAULT_NULL_RESISTANCE = "none"; public static String WCST_DEFAULT_DATATYPE = "unsigned char"; - - /* Singleton instance */ - private static ConfigManager instance; - private static Properties props; - - /** - * Private constructor. Use <i>getInstance()</i>. - * - * @param settingsPath Path to the settings properties file - */ - private ConfigManager(String settingsPath) - { - props = new Properties(); - try - { - log("Loading settings from file: " + settingsPath); - props.load(new FileInputStream(settingsPath)); - initSettings(); - } - catch (IOException e) - { - e.printStackTrace(); - log("Failed to load settings."); - } - } - - /** - * Returns the instance of the ConfigManager. If no such instance exists, - * it creates one with the specified settings file. - * - * @param settingsPath Path to the settings file - * @return instance of the ConfigManager class - */ - public static ConfigManager getInstance(String settingsPath) - { - if ( instance == null ) - instance = new ConfigManager(settingsPath); - - return instance; - } - - public static ConfigManager getInstance() - { - if (instance == null) + /* Singleton instance */ + private static ConfigManager instance; + private static Properties props; + + /** + * Private constructor. Use <i>getInstance()</i>. + * + * @param settingsPath Path to the settings properties file + * @param servletRoot Path to the root folder where the servlet is deployed + */ + private ConfigManager(String settingsPath, String servletRoot) throws ServletException { + props = new Properties(); + try { + LOG.info("Loading settings from file: " + settingsPath); + props.load(new FileInputStream(settingsPath)); + initSettings(servletRoot); + } catch (IOException e) { + LOG.error("Failed to load settings. Stack trace: " + e); + throw new ServletException("Failed to load settings file."); + } + } + + /** + * Returns the instance of the ConfigManager. If no such instance exists, + * it creates one with the specified settings file. + * + * @param settingsPath Path to the settings file + * @param servletRoot Path to the deployed servlet root + * @return instance of the ConfigManager class + */ + public static ConfigManager getInstance(String settingsPath, String servletRoot) throws ServletException { + if (instance == null) { + instance = new ConfigManager(settingsPath, servletRoot); + } + + return instance; + } + + public static ConfigManager getInstance() { + if (instance == null) { throw new RuntimeException("Could not initialize the ConfigManager " + "because no settings file path was provided."); + } return instance; } - /** - * Return a setting value from the settings file - * - * @param key Key of the setting - * @return String value, or the empty string in case the key does not exist - */ - private String get(String key) - { - String result = ""; - - if ( props.containsKey(key) ) - result = props.getProperty(key); - - return result; - } - - private void initSettings() - { - LANGUAGE = get("wcst_language"); - VERSION = get("wcst_version"); - PRINT_LOG = Boolean.parseBoolean(get("print_log")); - PRINT_OUT = Boolean.parseBoolean(get("print_output")); - SERVLET_INFO = get("servlet_info"); + /** + * Return a setting value from the settings file + * + * @param key Key of the setting + * @return String value, or the empty string in case the key does not exist + */ + private String get(String key) { + String result = ""; + + if (props.containsKey(key)) { + result = props.getProperty(key); + } + + return result; + } + + private void initSettings(String servletRoot) { + WCST_LANGUAGE = get("wcst_language"); + WCST_VERSION = get("wcst_version"); RASDAMAN_DATABASE = get("rasdaman_database"); RASDAMAN_URL = get("rasdaman_url"); METADATA_DRIVER = get("metadata_driver"); @@ -137,37 +152,74 @@ public class ConfigManager METADATA_USER = get("metadata_user"); METADATA_PASS = get("metadata_pass"); + CCIP_HACK = Boolean.parseBoolean(get("ccip_version")); + + try + { + URI desc = WcsNamespaceContext.class.getResource("DescribeCoverageTemplate.xml").toURI(); + URI getcov = WcsNamespaceContext.class.getResource("GetCoverageTemplate.xml").toURI(); + URI getcap = WcsNamespaceContext.class.getResource("GetCapabilitiesTemplate.xml").toURI(); + WCS2_GET_CAPABILITIES_TEMPLATE = loadFile(getcap); + WCS2_DESCRIBE_COVERAGE_TEMPLATE = loadFile(desc); + WCS2_GET_COVERAGE_TEMPLATE = loadFile(getcov); + WCS2_SCHEMA_URL = get("wcs2_schema_url"); + } + catch (Exception e) + { + LOG.warn("Could not read XML template files for WCS 2.0. Therefore, WCS 2.0 will be unable to start."); + } + /* User preferences override default values for WCS-T */ String tmp = get("default_interpolation"); - if (tmp.length() > 0) + if (tmp.length() > 0) { WCST_DEFAULT_INTERPOLATION = tmp; + } tmp = get("default_null_resistance"); - if (tmp.length() > 0) + if (tmp.length() > 0) { WCST_DEFAULT_NULL_RESISTANCE = tmp; + } tmp = get("default_datatype"); - if (tmp.length() > 0) + if (tmp.length() > 0) { WCST_DEFAULT_DATATYPE = tmp; + } + + LOG.info("---------------------------"); + +// log("Print Log: " + PRINT_LOG); + LOG.info(" *** PETASCOPE *** "); + LOG.info("Rasdaman URL: " + RASDAMAN_URL); + LOG.info("Rasdaman DB: " + RASDAMAN_DATABASE); + LOG.info("Metadata Driver: " + METADATA_DRIVER); + LOG.info("Metadata URL: " + METADATA_URL); + LOG.info("Metadata Username: " + METADATA_USER); +// LOG.info("Metadata Password: " + METADATA_PASS); + LOG.info(" *** WCS-T *** "); + LOG.info("WCS-T Language: " + WCST_LANGUAGE); + LOG.info("WCS-T Version: " + WCST_VERSION); + LOG.info("WCS-T Default Interpolation: " + WCST_DEFAULT_INTERPOLATION); + LOG.info("WCS-T Default Null Resistance: " + WCST_DEFAULT_NULL_RESISTANCE); + LOG.info("WCS-T Default Datatype: " + WCST_DEFAULT_DATATYPE); + LOG.info(" *** WCS 2.0 *** "); + LOG.debug("Get Capabilities Template: " + WCS2_GET_CAPABILITIES_TEMPLATE); + LOG.debug("Describe Coverage Template: " + WCS2_DESCRIBE_COVERAGE_TEMPLATE); + LOG.debug("Get Capabilities Template: " + WCS2_GET_COVERAGE_TEMPLATE); + LOG.info("---------------------------"); + } - log("---------------------------"); - log("WCS-T Language: " + LANGUAGE); - log("WCS-T Version: " + VERSION); - log("Print Log: " + PRINT_LOG); - log("PetaScope Servlet Info: " + SERVLET_INFO); - log("Rasdaman URL: " + RASDAMAN_URL); - log("Rasdaman DB: " + RASDAMAN_DATABASE); - log("Metadata Driver: " + METADATA_DRIVER); - log("Metadata URL: " + METADATA_URL); - log("Metadata Username: " + METADATA_USER); -// log("Metadata Password: " + METADATA_PASS); - log("WCS-T Default Interpolation: " + WCST_DEFAULT_INTERPOLATION); - log("WCS-T Default Null Resistance: " + WCST_DEFAULT_NULL_RESISTANCE); - log("WCS-T Default Datatype: " + WCST_DEFAULT_DATATYPE); - log("---------------------------"); - } - - private void log(String msg) - { - if (PRINT_LOG) - System.out.println(msg); + private String loadFile(URI fileUri) throws IOException { + InputStream is = null; + String contents = null; + try { + LOG.debug("Loading file: " + fileUri); + File f = new File(fileUri); + is = new FileInputStream(f); + contents = IOUtils.toString(is); + } finally { + try { + is.close(); + } catch (IOException ex) { + } + } + return contents; } } |