Port to java 17

[ccsdk/apps.git] / cadi / core / src / main / java / org / onap / ccsdk / apps / cadi / config / Get.java

diff --git a/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/config/Get.java b/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/config/Get.java
new file mode 100644 (file)
index 0000000..4bceea2
--- /dev/null
+++ b/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/config/Get.java
@@ -0,0 +1,97 @@
+/**
+ * ============LICENSE_START====================================================
+ * org.onap.ccsdk.apps
+ * ===========================================================================
+ * Copyright (c) 2023 AT&T Intellectual Property. All rights reserved.
+ * ===========================================================================
+ * 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 org.onap.ccsdk.apps.cadi.config;
+
+import java.lang.reflect.Method;
+
+import org.onap.ccsdk.apps.cadi.Access;
+import org.onap.ccsdk.apps.cadi.Access.Level;
+
+public interface Get {
+    public String get(String name, String def, boolean print);
+
+
+    /**
+     * A class for Getting info out of "JavaBean" format
+     * @author Jonathan
+     *
+     */
+    public static class Bean implements Get {
+        private Object bean;
+        private Class<?> bc;
+        private Class<?>[] params;
+        private Object[] args;
+
+        public Bean(Object bean) {
+            this.bean = bean;
+            bc = bean.getClass();
+            params = new Class<?>[0]; // note, this will allow to go out of scope after config
+            args = new Object[0];
+        }
+
+        public String get(String name, String def, boolean print) {
+            String str = null;
+            String gname = "get"+Character.toUpperCase(name.charAt(0))+name.substring(1);
+            try {
+                Method meth = bc.getMethod(gname, params);
+                Object obj = meth.invoke(bean, args);
+                str = obj==null?null:obj.toString(); // easy string convert...
+            } catch (Exception e) {
+            }
+
+            // Take def if nothing else
+            if (str==null) {
+                str = def;
+                // don't log defaults
+            } else {
+                str = str.trim(); // this is vital in Property File based values, as spaces can hide easily
+            }
+            // Note: Can't log during configuration
+            return str;
+        }
+    }
+
+    public static Get NULL = new Get() {
+        public String get(String name, String def, boolean print) {
+            return def;
+        }
+    };
+
+    public static class AccessGet implements Get {
+        private Access access;
+        public AccessGet(Access access) {
+            this.access = access;
+        }
+        public String get(String name, String def, boolean print) {
+            String gotten = access.getProperty(name, def);
+            if (print) {
+                if (gotten == null) {
+                    access.log(Level.INIT,name, "is not set");
+                } else {
+                    access.log(Level.INIT,name, "is set to", gotten);
+                }
+            }
+            return gotten;
+        }
+    }
+
+}