WW-4875 Add spring constant configuration

plugins/spring/src/main/java/org/apache/struts2/spring/SpringConstants.java

@@ -0,0 +1,25 @@
+/*
+ * 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.struts2.spring;
+
+public class SpringConstants {
+    public static final String SPRING_CLASS_RELOADING_WATCH_LIST = "struts.class.reloading.watchList";
+    public static final String SPRING_CLASS_RELOADING_ACCEPT_CLASSES = "struts.class.reloading.acceptClasses";
+    public static final String SPRING_CLASS_RELOADING_RELOAD_CONFIG = "struts.class.reloading.reloadConfig";
+}

plugins/spring/src/main/java/org/apache/struts2/spring/StrutsSpringObjectFactory.java

@@ -94,9 +94,9 @@ public class StrutsSpringObjectFactory extends SpringObjectFactory {
             return;
         }
         
-        String watchList = container.getInstance(String.class, "struts.class.reloading.watchList");
-        String acceptClasses = container.getInstance(String.class, "struts.class.reloading.acceptClasses");
-        String reloadConfig = container.getInstance(String.class, "struts.class.reloading.reloadConfig");
+        String watchList = container.getInstance(String.class, SpringConstants.SPRING_CLASS_RELOADING_WATCH_LIST);
+        String acceptClasses = container.getInstance(String.class, SpringConstants.SPRING_CLASS_RELOADING_ACCEPT_CLASSES);
+        String reloadConfig = container.getInstance(String.class, SpringConstants.SPRING_CLASS_RELOADING_RELOAD_CONFIG);
 
         if ("true".equals(devMode)
                 && StringUtils.isNotBlank(watchList)

plugins/spring/src/main/java/org/apache/struts2/spring/config/entities/SpringConstantConfig.java

@@ -0,0 +1,70 @@
+/*
+ * 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.struts2.spring.config.entities;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Set;
+import java.util.regex.Pattern;
+
+import org.apache.commons.lang3.StringUtils;
+import org.apache.struts2.config.entities.ConstantConfig;
+import org.apache.struts2.spring.SpringConstants;
+
+public class SpringConstantConfig extends ConstantConfig {
+    private List<String> classReloadingWatchList;
+    private Set<Pattern> classReloadingAcceptClasses;
+    private Boolean classReloadingReloadConfig;
+
+    @Override
+    public Map<String, String> getAllAsStringsMap() {
+        Map<String, String> map = super.getAllAsStringsMap();
+
+        map.put(SpringConstants.SPRING_CLASS_RELOADING_WATCH_LIST, StringUtils.join(classReloadingWatchList, ','));
+        map.put(SpringConstants.SPRING_CLASS_RELOADING_ACCEPT_CLASSES, StringUtils.join(classReloadingAcceptClasses, ','));
+        map.put(SpringConstants.SPRING_CLASS_RELOADING_RELOAD_CONFIG, Objects.toString(classReloadingReloadConfig, null));
+
+        return map;
+    }
+
+    public List<String> getClassReloadingWatchList() {
+        return classReloadingWatchList;
+    }
+
+    public void setClassReloadingWatchList(List<String> classReloadingWatchList) {
+        this.classReloadingWatchList = classReloadingWatchList;
+    }
+
+    public Set<Pattern> getClassReloadingAcceptClasses() {
+        return classReloadingAcceptClasses;
+    }
+
+    public void setClassReloadingAcceptClasses(Set<Pattern> classReloadingAcceptClasses) {
+        this.classReloadingAcceptClasses = classReloadingAcceptClasses;
+    }
+
+    public Boolean getClassReloadingReloadConfig() {
+        return classReloadingReloadConfig;
+    }
+
+    public void setClassReloadingReloadConfig(Boolean classReloadingReloadConfig) {
+        this.classReloadingReloadConfig = classReloadingReloadConfig;
+    }
+}