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Posted to commits@tamaya.apache.org by an...@apache.org on 2015/01/24 21:06:34 UTC
[4/9] incubator-tamaya git commit: TAMAYA-63: Implemented backport
for Java 7.
TAMAYA-63: Implemented backport for Java 7.
Project: http://git-wip-us.apache.org/repos/asf/incubator-tamaya/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-tamaya/commit/ffffdc8e
Tree: http://git-wip-us.apache.org/repos/asf/incubator-tamaya/tree/ffffdc8e
Diff: http://git-wip-us.apache.org/repos/asf/incubator-tamaya/diff/ffffdc8e
Branch: refs/heads/master
Commit: ffffdc8eb7df1b0a9d30286cbd312437017efd1f
Parents: b9735e0
Author: anatole <an...@apache.org>
Authored: Sat Jan 24 11:17:05 2015 +0100
Committer: anatole <an...@apache.org>
Committed: Sat Jan 24 21:06:15 2015 +0100
----------------------------------------------------------------------
.../java/org/apache/tamaya/TypeLiteral.java | 137 +++++++++++++++++++
.../services/org.apache.tamaya.Configuration | 19 +++
2 files changed, 156 insertions(+)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/incubator-tamaya/blob/ffffdc8e/java7/api/src/main/java/org/apache/tamaya/TypeLiteral.java
----------------------------------------------------------------------
diff --git a/java7/api/src/main/java/org/apache/tamaya/TypeLiteral.java b/java7/api/src/main/java/org/apache/tamaya/TypeLiteral.java
new file mode 100644
index 0000000..32c32a6
--- /dev/null
+++ b/java7/api/src/main/java/org/apache/tamaya/TypeLiteral.java
@@ -0,0 +1,137 @@
+/*
+* 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;
+
+import java.io.Serializable;
+import java.lang.reflect.GenericArrayType;
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+
+
+/**
+ * <p>Class for instantiation of objects that represent parameterized types
+ * with current parameters.</p>
+ * <p>
+ * <p>An object that represents a parameterized type may be obtained by
+ * subclassing <tt>TypeLiteral</tt>.</p>
+ * <p>
+ * <pre>
+ * TypeLiteral<List<Integer>> stringListType = new TypeLiteral<List<Integer>>() {};
+ * </pre>
+ *
+ * @param <T> the type, including all type parameters
+ */
+public class TypeLiteral<T> implements Serializable {
+
+ private static final long serialVersionUID = 1L;
+ private Type type;
+
+ protected TypeLiteral(Type type) {
+ this.type = type;
+ }
+
+ protected TypeLiteral() { }
+
+ public static <T> TypeLiteral<T> of(Type type){
+ return new TypeLiteral<>(type);
+ }
+
+ private static Class<?> getTypeLiteralSubclass(Class<?> clazz) {
+ Class<?> superclass = clazz.getSuperclass();
+ if (superclass.equals(TypeLiteral.class)) {
+ return clazz;
+ } else if (superclass.equals(Object.class)) {
+ return null;
+ } else {
+ return (getTypeLiteralSubclass(superclass));
+ }
+ }
+
+ private static Type getTypeParameter(Class<?> superclass) {
+ Type type = superclass.getGenericSuperclass();
+ if (type instanceof ParameterizedType) {
+ ParameterizedType parameterizedType = (ParameterizedType) type;
+ if (parameterizedType.getActualTypeArguments().length == 1) {
+ return parameterizedType.getActualTypeArguments()[0];
+ }
+ }
+ return null;
+ }
+
+ /**
+ * @return the actual type represented by this object
+ */
+ public final Type getType() {
+ if (type == null) {
+ Class<?> typeLiteralSubclass = getTypeLiteralSubclass(this.getClass());
+ if (typeLiteralSubclass == null) {
+ throw new RuntimeException(getClass() + " is not a subclass of TypeLiteral");
+ }
+ type = getTypeParameter(typeLiteralSubclass);
+ if (type == null) {
+ throw new RuntimeException(getClass() + " does not specify the type parameter T of TypeLiteral<T>");
+ }
+ }
+ return type;
+ }
+
+ /**
+ * @return the raw type represented by this object
+ */
+ @SuppressWarnings("unchecked")
+ public final Class<T> getRawType() {
+ Type type = getType();
+ if (type instanceof Class) {
+ return (Class<T>) type;
+ } else if (type instanceof ParameterizedType) {
+ return (Class<T>) ((ParameterizedType) type).getRawType();
+ } else if (type instanceof GenericArrayType) {
+ return (Class<T>) Object[].class;
+ } else {
+ throw new RuntimeException("Illegal type");
+ }
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o){
+ return true;
+ }
+ if (!(o instanceof TypeLiteral)){
+ return false;
+ }
+ TypeLiteral that = (TypeLiteral) o;
+ if (type != null ? !type.equals(that.type) : that.type != null){
+ return false;
+ }
+ return true;
+ }
+
+ @Override
+ public int hashCode() {
+ int result = type != null ? type.hashCode() : 0;
+ return result;
+ }
+
+ @Override
+ public String toString() {
+ return "TypeLiteral{" +
+ "type=" + type +
+ '}';
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/incubator-tamaya/blob/ffffdc8e/java7/core/src/main/resources/META-INF/services/org.apache.tamaya.Configuration
----------------------------------------------------------------------
diff --git a/java7/core/src/main/resources/META-INF/services/org.apache.tamaya.Configuration b/java7/core/src/main/resources/META-INF/services/org.apache.tamaya.Configuration
new file mode 100644
index 0000000..e51a247
--- /dev/null
+++ b/java7/core/src/main/resources/META-INF/services/org.apache.tamaya.Configuration
@@ -0,0 +1,19 @@
+#
+# 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.DefaultConfiguration