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Diffstat (limited to 'bundles/org.eclipse.equinox.launcher/src/org/eclipse/equinox/launcher/Main.java')
-rw-r--r--bundles/org.eclipse.equinox.launcher/src/org/eclipse/equinox/launcher/Main.java31
1 files changed, 25 insertions, 6 deletions
diff --git a/bundles/org.eclipse.equinox.launcher/src/org/eclipse/equinox/launcher/Main.java b/bundles/org.eclipse.equinox.launcher/src/org/eclipse/equinox/launcher/Main.java
index da30753c8..82a5b3fc6 100644
--- a/bundles/org.eclipse.equinox.launcher/src/org/eclipse/equinox/launcher/Main.java
+++ b/bundles/org.eclipse.equinox.launcher/src/org/eclipse/equinox/launcher/Main.java
@@ -34,6 +34,7 @@ import org.eclipse.equinox.internal.launcher.Constants;
* @noinstantiate This class is not intended to be instantiated by clients.
*/
public class Main {
+
/**
* Indicates whether this instance is running in debug mode.
*/
@@ -855,7 +856,7 @@ public class Main {
for (int j = 0; j < entries.length; j++)
qualifiedPath += ", " + FILE_SCHEME + path + entries[j]; //$NON-NLS-1$
extensionProperties.put(PROP_CLASSPATH, qualifiedPath);
- mergeProperties(System.getProperties(), extensionProperties);
+ mergeProperties(System.getProperties(), extensionProperties, null);
if (inDevelopmentMode) {
String name = extensions[i];
if (name.startsWith(REFERENCE_SCHEME)) {
@@ -1745,7 +1746,7 @@ public class Main {
Properties configuration = baseConfiguration;
if (configuration == null || !getConfigurationLocation().equals(baseConfigurationLocation))
configuration = loadConfiguration(getConfigurationLocation());
- mergeProperties(System.getProperties(), configuration);
+ mergeProperties(System.getProperties(), configuration, null);
if ("false".equalsIgnoreCase(System.getProperty(PROP_CONFIG_CASCADED))) //$NON-NLS-1$
// if we are not cascaded then remove the parent property even if it was set.
System.getProperties().remove(PROP_SHARED_CONFIG_AREA);
@@ -1767,10 +1768,10 @@ public class Main {
else {
// if the parent we are about to read is the same as the base config we read above,
// just reuse the base
- configuration = baseConfiguration;
+ Properties sharedConfiguration = baseConfiguration;
if (!sharedConfigURL.equals(baseConfigurationLocation))
- configuration = loadConfiguration(sharedConfigURL);
- mergeProperties(System.getProperties(), configuration);
+ sharedConfiguration = loadConfiguration(sharedConfigURL);
+ mergeProperties(System.getProperties(), sharedConfiguration, configuration);
System.getProperties().put(PROP_SHARED_CONFIG_AREA, sharedConfigURL.toExternalForm());
if (debug)
System.out.println("Shared configuration location:\n " + sharedConfigURL.toExternalForm()); //$NON-NLS-1$
@@ -2482,7 +2483,8 @@ public class Main {
}
}
- private void mergeProperties(Properties destination, Properties source) {
+ private void mergeProperties(Properties destination, Properties source, Properties userConfiguration) {
+ final String EXT_OVERRIDE_USER = ".override.user"; //$NON-NLS-1$
if (destination == null || source == null)
return;
for (Enumeration e = source.keys(); e.hasMoreElements();) {
@@ -2498,6 +2500,23 @@ public class Main {
continue;
}
String value = source.getProperty(key);
+
+ // Check to see if we are supposed to override existing values from the user configuraiton.
+ // This is done only in the case of shared install where we have already set the user values
+ // but want to override them with values from the shared location's config.
+ if (userConfiguration != null && !key.endsWith(EXT_OVERRIDE_USER)) {
+ // check all levels to see if the "override" property was set
+ final String overrideKey = key + EXT_OVERRIDE_USER;
+ boolean shouldOverride = destination.getProperty(overrideKey) != null || source.getProperty(overrideKey) != null;
+ // only set the value if the user specified the override property and if the
+ // original property wasn't set by a commad-line arg
+ if (shouldOverride && !userConfiguration.contains(key)) {
+ destination.put(key, value);
+ continue;
+ }
+ }
+
+ // only set the value if it doesn't already exist to preserve ordering (command-line, user config, shared config)
if (destination.getProperty(key) == null)
destination.put(key, value);
}

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