[30/34] incubator-tamaya git commit: move intermediately changed stuff to dormant as well

[st...@apache.org]

http://git-wip-us.apache.org/repos/asf/incubator-tamaya/blob/278a6c68/dormant/core/src/main/java/org/apache/tamaya/core/properties/PropertySourceFunctions.java
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diff --git a/dormant/core/src/main/java/org/apache/tamaya/core/properties/PropertySourceFunctions.java b/dormant/core/src/main/java/org/apache/tamaya/core/properties/PropertySourceFunctions.java
new file mode 100644
index 0000000..5fcf895
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+++ b/dormant/core/src/main/java/org/apache/tamaya/core/properties/PropertySourceFunctions.java
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tamaya.core.properties;
+
+import org.apache.tamaya.PropertySource;
+
+import java.util.*;
+import java.util.function.Function;
+import java.util.function.Predicate;
+import java.util.function.UnaryOperator;
+import java.util.stream.Collectors;
+
+/**
+ * Accessor that provides useful functions along with configuration.
+ */
+public final class PropertySourceFunctions {
+    /**
+     * Private singleton constructor.
+     */
+    private PropertySourceFunctions() {
+    }
+
+    /**
+     * Creates a ConfigOperator that creates a Configuration containing only keys
+     * that are contained in the given area (non recursive). Hereby
+     * the area key is stripped away fromMap the resulting key.
+     *
+     * @param areaKey       the area key, not null
+     * @param mappedAreaKey the target key, not null
+     * @return the area configuration, with the areaKey stripped away.
+     */
+    public static UnaryOperator<PropertySource> mapArea(String areaKey, String mappedAreaKey) {
+        return mapKeys(key -> key.startsWith(areaKey + '.') ?
+                mappedAreaKey + key.substring(areaKey.length()) : key);
+    }
+
+    /**
+     * Creates a {@link java.util.function.UnaryOperator} that creates a {@link org.apache.tamaya.Configuration} that maps any keys as
+     * defined by the {@code keyMapper} given. If the {@code keyMapper} returns
+     * {@code null} for a keys, it is removed from the resulting map.
+     *
+     * @param keyMapper the key mapper, not null
+     * @return the area configuration, with the areaKey stripped away.
+     */
+    public static UnaryOperator<PropertySource> mapKeys(UnaryOperator<String> keyMapper) {
+        return (c) -> new MappedPropertySource(c, keyMapper);
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-tamaya/blob/278a6c68/dormant/core/src/main/resources/META-INF/services/org.apache.tamaya.core.properties.ConfigurationFormat
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diff --git a/dormant/core/src/main/resources/META-INF/services/org.apache.tamaya.core.properties.ConfigurationFormat b/dormant/core/src/main/resources/META-INF/services/org.apache.tamaya.core.properties.ConfigurationFormat
new file mode 100644
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+++ b/dormant/core/src/main/resources/META-INF/services/org.apache.tamaya.core.properties.ConfigurationFormat
@@ -0,0 +1,21 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy current the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+org.apache.tamaya.core.internal.format.PropertiesFormat
+org.apache.tamaya.core.internal.format.PropertiesXmlFormat
+org.apache.tamaya.core.internal.format.IniFormat
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