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authorThomas Lenz <thomas.lenz@egiz.gv.at>2019-05-24 08:20:01 +0200
committerThomas Lenz <thomas.lenz@egiz.gv.at>2019-05-24 08:20:01 +0200
commitf4bcfe76944585321bd239b48d6df25abe337cbb (patch)
tree3c7e5a8e9f56a59b1ab20ff1f651382dc3a38c50 /eaaf_core/src/main
parent6bd515d02b5d2c8bb81cf59a61962c6a8fbb84ef (diff)
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update IConfiguration interfaces to support SpringBoot resources as configuration source
Diffstat (limited to 'eaaf_core/src/main')
-rw-r--r--eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/conf/AbstractConfigurationImpl.java20
-rw-r--r--eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/conf/AbstractSpringBootConfigurationImpl.java212
-rw-r--r--eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/utils/FileUtils.java26
3 files changed, 235 insertions, 23 deletions
diff --git a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/conf/AbstractConfigurationImpl.java b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/conf/AbstractConfigurationImpl.java
index d20b33cc..af009b10 100644
--- a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/conf/AbstractConfigurationImpl.java
+++ b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/conf/AbstractConfigurationImpl.java
@@ -39,11 +39,11 @@ import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import at.gv.egiz.eaaf.core.api.idp.IConfiguration;
+import at.gv.egiz.eaaf.core.api.idp.IExtendedConfiguration;
import at.gv.egiz.eaaf.core.exceptions.EAAFConfigurationException;
import at.gv.egiz.eaaf.core.impl.utils.KeyValueUtils;
-public abstract class AbstractConfigurationImpl implements IConfiguration {
+public abstract class AbstractConfigurationImpl implements IExtendedConfiguration {
private static final Logger log = LoggerFactory.getLogger(AbstractConfigurationImpl.class);
private static final String URI_SCHEME_CLASSPATH = "classpath";
@@ -52,7 +52,7 @@ public abstract class AbstractConfigurationImpl implements IConfiguration {
private final URI internalConfigPath;
private final URI configRootDirectory;
private final Properties properties;
-
+
public AbstractConfigurationImpl(final String configPath) throws EAAFConfigurationException {
InputStream is = null;
try {
@@ -60,7 +60,7 @@ public abstract class AbstractConfigurationImpl implements IConfiguration {
if (StringUtils.isEmpty(configPath)) {
log.debug("Primary configuration is empty. Search for backup configuration .... ");
- String backupConfigPath = getBackupConfigPath();
+ final String backupConfigPath = getBackupConfigPath();
if (StringUtils.isEmpty(backupConfigPath)) {
log.error("No configuration file found.");
throw new EAAFConfigurationException("config.01", null);
@@ -77,14 +77,14 @@ public abstract class AbstractConfigurationImpl implements IConfiguration {
//extract configuration root directory
//TODO: check if it works with classpath
- File propertiesFile = new File(internalConfigPath);
+ final File propertiesFile = new File(internalConfigPath);
if (!propertiesFile.exists()) {
log.error("Configuration file: " + internalConfigPath + " is NOT found on filesystem");
throw new EAAFConfigurationException("config.18", null);
}
- String configDir = propertiesFile.getParent();
+ final String configDir = propertiesFile.getParent();
configRootDirectory = new File(configDir).toURI();
log.debug("Set EAAFCore configuration root directory to " + configRootDirectory.toString());
@@ -127,7 +127,7 @@ public abstract class AbstractConfigurationImpl implements IConfiguration {
try {
is.close();
- } catch (IOException e) {
+ } catch (final IOException e) {
log.warn("Can not close inputstream from configuration loader!");
}
@@ -139,7 +139,7 @@ public abstract class AbstractConfigurationImpl implements IConfiguration {
@Override
public String getBasicConfiguration(String key) {
if (StringUtils.isNotEmpty(key)) {
- String value = properties.getProperty(addPrefixToKey(key));
+ final String value = properties.getProperty(addPrefixToKey(key));
if (value != null)
return value.trim();
}
@@ -150,7 +150,7 @@ public abstract class AbstractConfigurationImpl implements IConfiguration {
@Override
public String getBasicConfiguration(String key, String defaultValue) {
if (StringUtils.isNotEmpty(key)) {
- String value = properties.getProperty(addPrefixToKey(key), defaultValue);
+ final String value = properties.getProperty(addPrefixToKey(key), defaultValue);
if (value != null)
return value.trim();
}
@@ -166,7 +166,7 @@ public abstract class AbstractConfigurationImpl implements IConfiguration {
@Override
public boolean getBasicMOAIDConfigurationBoolean(String key, boolean defaultValue) {
- String value = getBasicConfiguration(key);
+ final String value = getBasicConfiguration(key);
if (StringUtils.isNotEmpty(value))
return Boolean.valueOf(value.trim());
diff --git a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/conf/AbstractSpringBootConfigurationImpl.java b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/conf/AbstractSpringBootConfigurationImpl.java
new file mode 100644
index 00000000..62245331
--- /dev/null
+++ b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/conf/AbstractSpringBootConfigurationImpl.java
@@ -0,0 +1,212 @@
+/*******************************************************************************
+ * Copyright 2017 Graz University of Technology
+ * EAAF-Core Components has been developed in a cooperation between EGIZ,
+ * A-SIT Plus, A-SIT, and Graz University of Technology.
+ *
+ * Licensed under the EUPL, Version 1.2 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * https://joinup.ec.europa.eu/news/understanding-eupl-v12
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ *******************************************************************************/
+/*******************************************************************************
+ *******************************************************************************/
+/*******************************************************************************
+ *******************************************************************************/
+package at.gv.egiz.eaaf.core.impl.idp.conf;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import javax.annotation.PostConstruct;
+
+import org.apache.commons.lang3.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.core.env.CompositePropertySource;
+import org.springframework.core.env.ConfigurableEnvironment;
+import org.springframework.core.env.EnumerablePropertySource;
+import org.springframework.core.env.Environment;
+import org.springframework.core.env.PropertySource;
+
+import at.gv.egiz.eaaf.core.api.idp.IConfiguration;
+import at.gv.egiz.eaaf.core.exceptions.EAAFConfigurationException;
+import at.gv.egiz.eaaf.core.impl.utils.KeyValueUtils;
+
+public abstract class AbstractSpringBootConfigurationImpl implements IConfiguration {
+ private static final Logger log = LoggerFactory.getLogger(AbstractSpringBootConfigurationImpl.class);
+
+ @Autowired private Environment env;
+
+ public static final String PROP_CONFIG_ROOT_DIR = "core.configRootDir";
+
+ @PostConstruct
+ private void initialize() throws EAAFConfigurationException {
+ if (getConfigurationRootDirectory() == null) {
+ throw new EAAFConfigurationException("config.08", new Object[] {addPrefixToKey(PROP_CONFIG_ROOT_DIR)});
+
+ }
+
+ }
+
+ @Override
+ public String getBasicConfiguration(String key) {
+ if (StringUtils.isNotEmpty(key)) {
+ final String value = env.getProperty(addPrefixToKey(key));
+ if (value != null)
+ return value.trim();
+ }
+
+ return null;
+ }
+
+ @Override
+ public String getBasicConfiguration(String key, String defaultValue) {
+ if (StringUtils.isNotEmpty(key)) {
+ final String value = env.getProperty(addPrefixToKey(key), defaultValue);
+ if (value != null)
+ return value.trim();
+ }
+
+ return defaultValue;
+ }
+
+ @Override
+ public Map<String, String> getBasicMOAIDConfigurationWithPrefix(String prefix) {
+ final Map<String, String> configProps = getPropertiesStartingWith((ConfigurableEnvironment) env, addPrefixToKey(prefix));
+ return KeyValueUtils.removePrefixFromKeys(configProps, addPrefixToKey(prefix) + ".");
+
+
+ }
+
+ @Override
+ public boolean getBasicMOAIDConfigurationBoolean(String key, boolean defaultValue) {
+ final String value = getBasicConfiguration(key);
+ if (StringUtils.isNotEmpty(value))
+ return Boolean.valueOf(value.trim());
+
+ return defaultValue;
+
+ }
+
+
+ @Override
+ public URI getConfigurationRootDirectory() {
+ try {
+ return new URI(env.getRequiredProperty(addPrefixToKey(PROP_CONFIG_ROOT_DIR)));
+
+ } catch (IllegalStateException | URISyntaxException e) {
+ log.warn("ConfigRootDirectory is NOT set");
+ return null;
+
+ }
+
+ }
+
+
+ /**
+ * Get the path to backup configuration
+ *
+ * @return A filepath file: or a classpath classpath:
+ */
+ abstract protected String getBackupConfigPath();
+
+ /**
+ * Get a specific configuration-key prefix for this software implementation
+ *
+ * @return
+ */
+ abstract public String getApplicationSpecificKeyPrefix();
+
+
+ private String addPrefixToKey(String key) {
+ if (StringUtils.isNotEmpty(getApplicationSpecificKeyPrefix())) {
+ if (getApplicationSpecificKeyPrefix().endsWith(KeyValueUtils.KEY_DELIMITER))
+ return getApplicationSpecificKeyPrefix() + key;
+ else
+ return getApplicationSpecificKeyPrefix() + KeyValueUtils.KEY_DELIMITER + key;
+
+ }
+
+ return key;
+
+ }
+
+ private static Map<String, String> getPropertiesStartingWith( ConfigurableEnvironment aEnv, String aKeyPrefix ) {
+ final Map<String,String> result = new HashMap<>();
+ final Map<String,Object> map = getAllProperties(aEnv);
+
+ for (final Entry<String, Object> entry : map.entrySet()) {
+ final String key = entry.getKey();
+
+ if ( key.startsWith( aKeyPrefix ) )
+ {
+ result.put( key, (String) entry.getValue() );
+ }
+ }
+
+ return result;
+ }
+
+ private static Map<String,Object> getAllProperties( ConfigurableEnvironment aEnv ) {
+ final Map<String,Object> result = new HashMap<>();
+ aEnv.getPropertySources().forEach( ps -> addAll( result, getAllProperties( ps ) ) );
+ return result;
+
+ }
+
+ private static Map<String,Object> getAllProperties( PropertySource<?> aPropSource ) {
+ final Map<String,Object> result = new HashMap<>();
+
+ if ( aPropSource instanceof CompositePropertySource)
+ {
+ final CompositePropertySource cps = (CompositePropertySource) aPropSource;
+ cps.getPropertySources().forEach( ps -> addAll( result, getAllProperties( ps ) ) );
+ return result;
+ }
+
+ if ( aPropSource instanceof EnumerablePropertySource<?> )
+ {
+ final EnumerablePropertySource<?> ps = (EnumerablePropertySource<?>) aPropSource;
+ Arrays.asList( ps.getPropertyNames() ).forEach( key -> result.put( key, ps.getProperty( key ) ) );
+ return result;
+ }
+
+ // note: Most descendants of PropertySource are EnumerablePropertySource. There are some
+ // few others like JndiPropertySource or StubPropertySource
+ log.debug( "Given PropertySource is instanceof " + aPropSource.getClass().getName()
+ + " and cannot be iterated" );
+
+ return result;
+
+ }
+
+ private static void addAll( Map<String, Object> aBase, Map<String, Object> aToBeAdded )
+ {
+ for (final Entry<String, Object> entry : aToBeAdded.entrySet())
+ {
+ if ( aBase.containsKey( entry.getKey() ) )
+ {
+ continue;
+ }
+
+ aBase.put( entry.getKey(), entry.getValue() );
+ }
+ }
+}
diff --git a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/utils/FileUtils.java b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/utils/FileUtils.java
index 16b0d321..fff83e53 100644
--- a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/utils/FileUtils.java
+++ b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/utils/FileUtils.java
@@ -54,9 +54,9 @@ public class FileUtils {
* @throws IOException on any exception thrown
*/
public static byte[] readURL(String urlString) throws IOException {
- URL url = new URL(urlString);
- InputStream in = new BufferedInputStream(url.openStream());
- byte[] content = StreamUtils.readStream(in);
+ final URL url = new URL(urlString);
+ final InputStream in = new BufferedInputStream(url.openStream());
+ final byte[] content = StreamUtils.readStream(in);
in.close();
return content;
}
@@ -68,9 +68,9 @@ public class FileUtils {
* @throws IOException on any exception thrown
*/
public static byte[] readResource(String name) throws IOException {
- ClassLoader cl = FileUtils.class.getClassLoader();
- BufferedInputStream in = new BufferedInputStream(cl.getResourceAsStream(name));
- byte[] content = StreamUtils.readStream(in);
+ final ClassLoader cl = FileUtils.class.getClassLoader();
+ final BufferedInputStream in = new BufferedInputStream(cl.getResourceAsStream(name));
+ final byte[] content = StreamUtils.readStream(in);
in.close();
return content;
}
@@ -82,7 +82,7 @@ public class FileUtils {
* @throws IOException on any exception thrown
*/
public static String readResource(String name, String encoding) throws IOException {
- byte[] content = readResource(name);
+ final byte[] content = readResource(name);
return new String(content, encoding);
}
@@ -121,7 +121,7 @@ public class FileUtils {
if(null == url) return null;
- if (url.startsWith("http:/") || url.startsWith("https:/") || url.startsWith("file:/") || url.startsWith("ftp:/")) {
+ if (url.startsWith("http:") || url.startsWith("https:") || url.startsWith("file:") || url.startsWith("ftp:")) {
return url;
} else {
@@ -146,18 +146,18 @@ public class FileUtils {
{
try
{
- byte[] buffer = new byte[ 0xFFFF ];
+ final byte[] buffer = new byte[ 0xFFFF ];
for ( int len; (len = fis.read(buffer)) != -1; )
fos.write( buffer, 0, len );
}
- catch( IOException e ) {
+ catch( final IOException e ) {
System.err.println( e );
}
finally {
if ( fis != null )
- try { fis.close(); } catch ( IOException e ) { e.printStackTrace(); }
+ try { fis.close(); } catch ( final IOException e ) { e.printStackTrace(); }
if ( fos != null )
- try { fos.close(); } catch ( IOException e ) { e.printStackTrace(); }
+ try { fos.close(); } catch ( final IOException e ) { e.printStackTrace(); }
}
}
@@ -167,7 +167,7 @@ public class FileUtils {
{
copy( new FileInputStream( src ), new FileOutputStream( dest ) );
}
- catch( IOException e ) {
+ catch( final IOException e ) {
e.printStackTrace();
}
}