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PropertiesUtil: Refactor process config file method in utils, return map of key=value

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Signed-off-by: Rohit Yadav <bhaisaab@apache.org>
This commit is contained in:
Rohit Yadav 2013-01-10 15:29:01 -08:00
parent 1ac48bc36c
commit f2ae0ae5ae
1 changed files with 40 additions and 0 deletions
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40
utils/src/com/cloud/utils/PropertiesUtil.java
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@ -17,6 +17,8 @@
package com.cloud.utils;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
@ -28,6 +30,7 @@ import java.util.Set;
import org.apache.log4j.Logger;
public class PropertiesUtil {
private static final Logger s_logger = Logger.getLogger(PropertiesUtil.class);
/**
* Searches the class path and local paths to find the config file.
* @param path path to find. if it starts with / then it's absolute path.
@ -116,4 +119,41 @@ public class PropertiesUtil {
}
return null;
}
// Returns key=value pairs by parsing a commands.properties/config file
// with syntax; key=cmd;value (with this syntax cmd is stripped) and key=value
public static Map<String, String> processConfigFile(String[] configFiles) {
Map<String, String> configMap = new HashMap<String, String>();
Properties preProcessedCommands = new Properties();
for (String configFile : configFiles) {
File commandsFile = findConfigFile(configFile);
if (commandsFile != null) {
try {
preProcessedCommands.load(new FileInputStream(commandsFile));
} catch (FileNotFoundException fnfex) {
// in case of a file within a jar in classpath, try to open stream using url
InputStream stream = PropertiesUtil.openStreamFromURL(configFile);
if (stream != null) {
try {
preProcessedCommands.load(stream);
} catch (IOException e) {
s_logger.error("IO Exception, unable to find properties file:", fnfex);
}
} else {
s_logger.error("Unable to find properites file", fnfex);
}
} catch (IOException ioe) {
s_logger.error("IO Exception loading properties file", ioe);
}
}
}
for (Object key : preProcessedCommands.keySet()) {
String preProcessedCommand = preProcessedCommands.getProperty((String) key);
int splitIndex = preProcessedCommand.lastIndexOf(";");
String value = preProcessedCommand.substring(splitIndex+1);
configMap.put((String)key, value);
}
return configMap;
}
}