添加表达式方式获取source field信息

Author: hengboy

api-boot-project/api-boot-plugins/api-boot-plugin-resource-load/src/main/java/org/minbox/framework/api/boot/plugin/resource/load/expression/ResourceSourceExpression.java

@@ -0,0 +1,95 @@
+/*
+ * Copyright [2019] [恒宇少年 - 于起宇]
+ *
+ *      Licensed 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.minbox.framework.api.boot.plugin.resource.load.expression;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * ApiBoot Resource Source Field Name Expression
+ *
+ * @author：恒宇少年 - 于起宇
+ * <p>
+ * DateTime：2019-04-19 14:47
+ * Blog：http://blog.yuqiyu.com
+ * WebSite：http://www.jianshu.com/u/092df3f77bca
+ * Gitee：https://gitee.com/hengboy
+ * GitHub：https://github.com/hengboy
+ */
+public class ResourceSourceExpression {
+    /**
+     * Source Name Basic Pattern
+     */
+    static final Pattern SOURCE_NAME_PATTERN_BASIC = Pattern.compile("#p(\\d+)");
+    /**
+     * Source Name Ognl Pattern
+     */
+    static final Pattern SOURCE_NAME_PATTERN_OGNL = Pattern.compile("#p(\\d+).(\\S+)");
+
+    /**
+     * If match basic pattern
+     *
+     * @param sourceFieldName ResourceField annotation source value
+     * @return true: match , false: don't match
+     * @see org.minbox.framework.api.boot.plugin.resource.load.annotation.ResourceField
+     */
+    public static Matcher getBasicMatch(String sourceFieldName) {
+        Matcher matcher = SOURCE_NAME_PATTERN_BASIC.matcher(sourceFieldName);
+        return matcher;
+    }
+
+    /**
+     * If match ognl pattern
+     *
+     * @param sourceFieldName ResourceField annotation source value
+     * @return true: match , false: don't match
+     * @see org.minbox.framework.api.boot.plugin.resource.load.annotation.ResourceField
+     */
+    public static Matcher getOgnlMatch(String sourceFieldName) {
+        Matcher matcher = SOURCE_NAME_PATTERN_OGNL.matcher(sourceFieldName);
+        return matcher;
+    }
+
+    /**
+     * get match content list
+     *
+     * @param sourceFieldName ResourceField annotation source value
+     * @return match content list
+     */
+    public static List<String> getMatchContent(String sourceFieldName) {
+        List<String> matchContents = new ArrayList<>();
+        Matcher matcher = getOgnlMatch(sourceFieldName);
+        boolean isMatch = matcher.find();
+        // If don't match ognl expression
+        if (!isMatch) {
+            // use basic expression
+            matcher = getBasicMatch(sourceFieldName);
+            isMatch = matcher.find();
+        }
+        // If match basic expression
+        if (isMatch) {
+            // get all match value
+            for (int i = 1; i <= matcher.groupCount(); i++) {
+                matchContents.add(matcher.group(i));
+            }
+        }
+        return matchContents;
+    }
+}