From cf4f6755c8cc81b4a545bf65db5be66e59798fed Mon Sep 17 00:00:00 2001
From: felmer <felmer>
Date: Thu, 17 Apr 2008 11:57:28 +0000
Subject: [PATCH] LMS-335 add a utility method
SVN: 5659
---
.../cisd/common/utilities/PropertyUtils.java | 26 ++++++++++++++++++-
1 file changed, 25 insertions(+), 1 deletion(-)
diff --git a/common/source/java/ch/systemsx/cisd/common/utilities/PropertyUtils.java b/common/source/java/ch/systemsx/cisd/common/utilities/PropertyUtils.java
index fef27ebbd7a..d160ccb2638 100644
--- a/common/source/java/ch/systemsx/cisd/common/utilities/PropertyUtils.java
+++ b/common/source/java/ch/systemsx/cisd/common/utilities/PropertyUtils.java
@@ -83,7 +83,31 @@ public final class PropertyUtils
}
return property;
}
-
+
+ /**
+ * Returns a certain property from the specified properties.
+ *
+ * @return the property value without leading and trailing white spaces.
+ * @throws ConfigurationFailureException if no property found or the result would be an empty
+ * string.
+ */
+ public static String getProperty(Properties properties, String propertyKey)
+ throws ConfigurationFailureException
+ {
+ assertParameters(properties, propertyKey);
+ String property = properties.getProperty(propertyKey);
+ if (property == null)
+ {
+ throw new ConfigurationFailureException("Unspecified property '" + propertyKey + "'.");
+ }
+ property = property.trim();
+ if (property.length() == 0)
+ {
+ throw new ConfigurationFailureException("Property '" + propertyKey
+ + "' is an empty string.");
+ }
+ return property;
+ }
/**
* Looks up given <var>propertyKey</var> in given <var>properties</var>.
*
--
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