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Allow PropertiesUtil to read from jar files.

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PropertiesUtil has code for reading from jar files, but the
findConfigFile method will prevent it from ever returning a file in a
jar on the classpath since it always wants to have a "file:" URL and
use the File class.

This commit moves the jar file loading attempt from a catch block to
an else clause, executed if a config file:// URL could not be found.

Signed-off-by: Daan Hoogland <daan.hoogland@gmail.com>

This closes #358
This commit is contained in:
jeff 2015-06-04 16:35:34 +00:00 committed by Daan Hoogland
parent 0326fb3b5c
commit db69c8e82b
1 changed files with 19 additions and 13 deletions
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32
utils/src/com/cloud/utils/PropertiesUtil.java
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@ -21,7 +21,6 @@ package com.cloud.utils;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
@ -44,6 +43,7 @@ public class PropertiesUtil {
public static File findConfigFile(String path) {
ClassLoader cl = PropertiesUtil.class.getClassLoader();
URL url = cl.getResource(path);
if (url != null && "file".equals(url.getProtocol())) {
return new File(url.getFile());
}
@ -124,6 +124,15 @@ public class PropertiesUtil {
return null;
}
public static void loadFromJar(Properties properties, String configFile) throws IOException {
InputStream stream = PropertiesUtil.openStreamFromURL(configFile);
if (stream != null) {
properties.load(stream);
} else {
s_logger.error("Unable to find properties file: " + configFile);
}
}
// 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) {
@ -134,22 +143,18 @@ public class PropertiesUtil {
if (commandsFile != null) {
try {
loadFromFile(preProcessedCommands, 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);
}
}
else {
// in case of a file within a jar in classpath, try to open stream using url
try {
loadFromJar(preProcessedCommands, configFile);
} catch (IOException e) {
s_logger.error("IO Exception loading properties file from jar", e);
}
}
}
for (Object key : preProcessedCommands.keySet()) {
@ -158,6 +163,7 @@ public class PropertiesUtil {
String value = preProcessedCommand.substring(splitIndex + 1);
configMap.put((String)key, value);
}
return configMap;
}