added custom definitions configuration service

app/aem/core/src/main/java/com/cognifide/apm/core/scripts/ScriptManagerImpl.java

@@ -51,7 +51,9 @@
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Set;
+import java.util.TreeMap;
 import java.util.concurrent.CopyOnWriteArraySet;
+import java.util.stream.Collectors;
 import javax.jcr.RepositoryException;
 import javax.jcr.Session;
 import org.apache.jackrabbit.api.JackrabbitSession;
@@ -193,9 +195,13 @@ private void updateScriptProperties(Script script, ExecutionMode mode, boolean s
 
   @Override
   public Map<String, String> getPredefinedDefinitions() {
-    Map<String, String> predefinedDefinitions = new HashMap<>();
-    definitionsProviders.forEach(provider -> predefinedDefinitions.putAll(provider.getPredefinedDefinitions()));
-    return predefinedDefinitions;
+    return definitionsProviders.stream()
+        .flatMap(provider -> provider.getPredefinedDefinitions().entrySet().stream())
+        .collect(Collectors.toMap(
+            Map.Entry::getKey, Map.Entry::getValue,
+            (first, second) -> first,
+            () -> new TreeMap<>(String.CASE_INSENSITIVE_ORDER)
+        ));
   }
 
   private ActionExecutor createExecutor(ExecutionMode mode, ResourceResolver resolver) throws RepositoryException {

app/aem/core/src/main/java/com/cognifide/apm/core/services/CustomDefinitionsProvider.java

@@ -0,0 +1,67 @@
+/*-
+ * ========================LICENSE_START=================================
+ * AEM Permission Management
+ * %%
+ * Copyright (C) 2013 Wunderman Thompson Technology
+ * %%
+ * 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.
+ * =========================LICENSE_END==================================
+ */
+package com.cognifide.apm.core.services;
+
+import com.cognifide.apm.api.services.DefinitionsProvider;
+import com.cognifide.apm.core.Property;
+import java.util.Arrays;
+import java.util.Map;
+import java.util.stream.Collectors;
+import org.apache.commons.lang3.StringUtils;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.metatype.annotations.AttributeDefinition;
+import org.osgi.service.metatype.annotations.Designate;
+import org.osgi.service.metatype.annotations.ObjectClassDefinition;
+
+@Component(
+    immediate = true,
+    property = {
+        Property.DESCRIPTION + "APM Custom Definitions Provider",
+        Property.VENDOR
+    }
+)
+@Designate(ocd = CustomDefinitionsProvider.Configuration.class, factory = true)
+public class CustomDefinitionsProvider implements DefinitionsProvider {
+
+  private Map<String, String> predefinedDefinitions;
+
+  @Activate
+  public void activate(Configuration config) {
+    predefinedDefinitions = Arrays.stream(config.definitions())
+        .map(definition -> definition.split("="))
+        .map(StringUtils::stripAll)
+        .filter(StringUtils::isNoneEmpty)
+        .filter(parts -> parts.length == 2)
+        .collect(Collectors.toMap(parts -> parts[0], parts -> parts[1], (first, second) -> first));
+  }
+
+  @Override
+  public Map<String, String> getPredefinedDefinitions() {
+    return predefinedDefinitions;
+  }
+
+  @ObjectClassDefinition(name = "AEM Permission Management - Custom Definitions Configuration")
+  public @interface Configuration {
+
+    @AttributeDefinition(name = "Definitions", description = "format: key=value")
+    String[] definitions();
+  }
+}

app/aem/core/src/main/java/com/cognifide/apm/core/scripts/DefaultDefinitionsProvider.java → app/aem/core/src/main/java/com/cognifide/apm/core/services/DefaultDefinitionsProvider.java

@@ -17,7 +17,7 @@
  * limitations under the License.
  * =========================LICENSE_END==================================
  */
-package com.cognifide.apm.core.scripts;
+package com.cognifide.apm.core.services;
 
 import com.cognifide.apm.api.services.DefinitionsProvider;
 import java.util.HashMap;