sofastack · glmapper · Jan 23, 2019 · Jan 17, 2019 · Jan 17, 2019 · Jan 17, 2019
diff --git a/README.md b/README.md
@@ -73,3 +73,7 @@ SOFA 的第一个版本是阿玺创造的，感谢阿玺给 SOFA 打下了坚实
 ## 七、文档
 
 请参考 [SOFABoot 官方文档](http://www.sofastack.tech/sofa-boot/docs/Home)。
+
+## 八、开源许可
+
+SOFABoot 基于 Apache License 2.0 协议，SOFABoot 依赖了一些三方组件，它们的开源协议参见 [依赖组件版权说明](https://www.sofastack.tech/sofa-boot/docs/NOTICE)
diff --git a/...main/resources/META-INF/com/alipay/sofa/infra/config/spring/namespace/schema/sofaboot.xsd b/...main/resources/META-INF/com/alipay/sofa/infra/config/spring/namespace/schema/sofaboot.xsd
@@ -20,6 +20,7 @@
 
 <xsd:schema xmlns="http://sofastack.io/schema/sofaboot"
             xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:beans="http://www.springframework.org/schema/beans"
             targetNamespace="http://sofastack.io/schema/sofaboot"
             elementFormDefault="qualified" attributeFormDefault="unqualified">
 
@@ -30,4 +31,52 @@
     <!-- http://itdoc.hitachi.co.jp/manuals/3020/30203Y4340e/EY430034.HTM -->
     <xsd:include schemaLocation="./rpc.xsd"/>
 
+    <!-- extension-point -->
+    <xsd:element name="extension-point" type="Textension-point"/>
+
+    <xsd:complexType name="Textension-point">
+        <xsd:complexContent>
+            <xsd:extension base="beans:identifiedType">
+                <xsd:sequence minOccurs="0" maxOccurs="unbounded">
+                    <xsd:element name="object" type="Tobject" minOccurs="0"/>
+                    <!-- nested bean declaration -->
+                    <xsd:any namespace="##other" minOccurs="0" maxOccurs="1" processContents="skip"/>
+                </xsd:sequence>
+                <xsd:attribute name="name" type="xsd:string" use="required"/>
+                <xsd:attribute name="ref" type="xsd:string"/>
+            </xsd:extension>
+        </xsd:complexContent>
+    </xsd:complexType>
+
+    <xsd:complexType name="Tobject">
+        <xsd:attribute name="class" type="xsd:string" use="required"/>
+    </xsd:complexType>
+
+    <xsd:element name="extension" type="Textension"/>
+
+    <xsd:complexType name="Textension">
+        <xsd:complexContent>
+            <xsd:extension base="beans:identifiedType">
+                <xsd:sequence minOccurs="0" maxOccurs="unbounded">
+                    <xsd:element name="require" type="Trequire" minOccurs="0"/>
+                    <xsd:element name="content" type="Tcontent" minOccurs="0"
+                                 maxOccurs="1"/>
+                </xsd:sequence>
+                <xsd:attribute name="bean" type="xsd:string" use="required"/>
+                <xsd:attribute name="point" type="xsd:string" use="required"/>
+            </xsd:extension>
+        </xsd:complexContent>
+    </xsd:complexType>
+
+    <xsd:complexType name="Trequire">
+        <xsd:attribute name="bean" type="xsd:string" use="required"/>
+    </xsd:complexType>
+
+    <xsd:complexType name="Tcontent">
+        <xsd:sequence>
+            <xsd:any namespace="##other" minOccurs="0" maxOccurs="unbounded" processContents="skip"/>
+        </xsd:sequence>
+    </xsd:complexType>
+
+
 </xsd:schema>
diff --git a/runtime-sofa-boot-starter/src/main/java/com/alipay/sofa/common/xmap/Context.java b/runtime-sofa-boot-starter/src/main/java/com/alipay/sofa/common/xmap/Context.java
@@ -0,0 +1,67 @@
+/*
+ * 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 com.alipay.sofa.common.xmap;
+
+import java.net.URL;
+import java.util.ArrayList;
+
+/**
+ * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
+ * @author xi.hux@alipay.com
+ * @since 2.6.0
+ */
+public class Context extends ArrayList<Object> {
+
+    private static final long serialVersionUID = 1L;
+
+    public Class loadClass(String className) throws ClassNotFoundException {
+        return Thread.currentThread().getContextClassLoader().loadClass(className);
+    }
+
+    public URL getResource(String name) {
+        return Thread.currentThread().getContextClassLoader().getResource(name);
+    }
+
+    public Object getObject() {
+        int size = size();
+        if (size > 0) {
+            return get(size - 1);
+        }
+        return null;
+    }
+
+    public Object getParent() {
+        int size = size();
+        if (size > 1) {
+            return get(size - 2);
+        }
+        return null;
+    }
+
+    public void push(Object object) {
+        add(object);
+    }
+
+    public Object pop() {
+        int size = size();
+        if (size > 0) {
+            return remove(size - 1);
+        }
+        return null;
+    }
+
+}
diff --git a/runtime-sofa-boot-starter/src/main/java/com/alipay/sofa/common/xmap/DOMHelper.java b/runtime-sofa-boot-starter/src/main/java/com/alipay/sofa/common/xmap/DOMHelper.java
@@ -0,0 +1,201 @@
+/*
+ * 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 com.alipay.sofa.common.xmap;
+
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+
+import java.util.Collection;
+import java.util.Map;
+
+/**
+ * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
+ * @author xi.hux@alipay.com
+ * @since 2.6.0
+ */
+public final class DOMHelper {
+
+    private DOMHelper() {
+    }
+
+    /**
+     * Gets the value of the node at the given path
+     * relative to the given base element.
+     * For element nodes the value is the text content and for
+     * the attributes node the attribute value.
+     *
+     * @param base base element
+     * @param path path
+     * @return the node value or null if no such node was found
+     */
+    public static String getNodeValue(Element base, Path path) {
+        Node node = getElementNode(base, path);
+        if (node != null) {
+            if (path.attribute != null) {
+                Node at = node.getAttributes().getNamedItem(path.attribute);
+                return at != null ? at.getNodeValue() : null;
+            } else {
+                return node.getTextContent();
+            }
+        }
+        return null;
+    }
+
+    public static void visitNodes(Context ctx, XAnnotatedList xam, Element base, Path path,
+                                  NodeVisitor visitor, Collection<Object> result) {
+        Node el = base;
+        int len = path.segments.length - 1;
+        for (int i = 0; i < len; i++) {
+            el = getElementNode(el, path.segments[i]);
+            if (el == null) {
+                return;
+            }
+        }
+        String name = path.segments[len];
+
+        if (path.attribute != null) {
+            visitAttributes(ctx, xam, el, name, path.attribute, visitor, result);
+        } else {
+            visitElements(ctx, xam, el, name, visitor, result);
+        }
+    }
+
+    public static void visitAttributes(Context ctx, XAnnotatedList xam, Node base, String name,
+                                       String attrName, NodeVisitor visitor,
+                                       Collection<Object> result) {
+        Node p = base.getFirstChild();
+        while (p != null) {
+            if (p.getNodeType() == Node.ELEMENT_NODE) {
+                if (name.equals(p.getNodeName())) {
+                    Node at = p.getAttributes().getNamedItem(attrName);
+                    if (at != null) {
+                        visitor.visitNode(ctx, xam, at, result);
+                    }
+                }
+            }
+            p = p.getNextSibling();
+        }
+    }
+
+    public static void visitElements(Context ctx, XAnnotatedList xam, Node base, String name,
+                                     NodeVisitor visitor, Collection<Object> result) {
+        Node p = base.getFirstChild();
+        while (p != null) {
+            if (p.getNodeType() == Node.ELEMENT_NODE) {
+                if (name.equals(p.getNodeName())) {
+                    visitor.visitNode(ctx, xam, p, result);
+                }
+            }
+            p = p.getNextSibling();
+        }
+    }
+
+    public static void visitMapNodes(Context ctx, XAnnotatedMap xam, Element base, Path path,
+                                     NodeMapVisitor visitor, Map<String, Object> result) {
+        Node el = base;
+        int len = path.segments.length - 1;
+        for (int i = 0; i < len; i++) {
+            el = getElementNode(el, path.segments[i]);
+            if (el == null) {
+                return;
+            }
+        }
+        String name = path.segments[len];
+
+        if (path.attribute != null) {
+            visitMapAttributes(ctx, xam, el, name, path.attribute, visitor, result);
+        } else {
+            visitMapElements(ctx, xam, el, name, visitor, result);
+        }
+    }
+
+    public static void visitMapAttributes(Context ctx, XAnnotatedMap xam, Node base, String name,
+                                          String attrName, NodeMapVisitor visitor,
+                                          Map<String, Object> result) {
+        Node p = base.getFirstChild();
+        while (p != null) {
+            if (p.getNodeType() == Node.ELEMENT_NODE) {
+                if (name.equals(p.getNodeName())) {
+                    Node at = p.getAttributes().getNamedItem(attrName);
+                    if (at != null) {
+                        String key = getNodeValue((Element) p, xam.key);
+                        if (key != null) {
+                            visitor.visitNode(ctx, xam, at, key, result);
+                        }
+                    }
+                }
+            }
+            p = p.getNextSibling();
+        }
+    }
+
+    public static void visitMapElements(Context ctx, XAnnotatedMap xam, Node base, String name,
+                                        NodeMapVisitor visitor, Map<String, Object> result) {
+        Node p = base.getFirstChild();
+        while (p != null) {
+            if (p.getNodeType() == Node.ELEMENT_NODE) {
+                if (name.equals(p.getNodeName())) {
+                    String key = getNodeValue((Element) p, xam.key);
+                    if (key != null) {
+                        visitor.visitNode(ctx, xam, p, key, result);
+                    }
+                }
+            }
+            p = p.getNextSibling();
+        }
+    }
+
+    public static Node getElementNode(Node base, String name) {
+        Node node = base.getFirstChild();
+        while (node != null) {
+            if (node.getNodeType() == Node.ELEMENT_NODE) {
+                if (name.equals(node.getNodeName())) {
+                    return node;
+                }
+            }
+            node = node.getNextSibling();
+        }
+        return null;
+    }
+
+    public static Node getElementNode(Node base, Path path) {
+        Node el = base;
+        int len = path.segments.length;
+        for (int i = 0; i < len; i++) {
+            el = getElementNode(el, path.segments[i]);
+            if (el == null) {
+                return null;
+            }
+        }
+        return el;
+    }
+
+    public abstract static class NodeVisitor {
+
+        public abstract void visitNode(Context ctx, XAnnotatedMember xam, Node node,
+                                       Collection<Object> result);
+
+    }
+
+    public abstract static class NodeMapVisitor {
+
+        public abstract void visitNode(Context ctx, XAnnotatedMember xam, Node node, String key,
+                                       Map<String, Object> result);
+
+    }
+
+}