REPORT-12850 10.0mac公式不显示=>FunctionConstants 重构

designer-base/src/main/java/com/fr/design/formula/FunctionConstants.java

@@ -35,13 +35,75 @@ import java.util.zip.ZipFile;
 
 import javax.swing.DefaultListModel;
 
-public abstract class FunctionConstants {
+public final class FunctionConstants {
+
+	public static FunctionGroup PLUGIN = getPluginFunctionGroup();
+	public static FunctionGroup CUSTOM = getCustomFunctionGroup();
+	static NameAndFunctionList COMMON = getCommonFunctionList();
+	static NameAndTypeAndFunctionList[] EMBFUNCTIONS = getEmbededFunctionListArray();
+	public static FunctionGroup ALL = getAllFunctionGroup();
+
+	static {
+		loadEmbededFunctions();
+	}
+
+	/**
+	 * Don't let anyone instantiate this class.
+	 */
+	private FunctionConstants() {}
+
+	private static void loadEmbededFunctions() {
+		String pkgName = "com.fr.function";
+		Class<Function> iface = Function.class;
+		ClassLoader classloader = iface.getClassLoader();
+		Enumeration<URL> urlEnumeration = null;
+		try {
+			urlEnumeration = classloader.getResources(pkgName.replace('.', '/'));
+		} catch (IOException e) {
+			FineLoggerFactory.getLogger().error(e.getMessage());
+			return;
+		}
+		while (urlEnumeration.hasMoreElements()) {
+			URL url = urlEnumeration.nextElement();
+			String classFilePath = url.getFile();
+
+			/*
+			 * alex:url.getFile获取的地址中,如果有空格或中文会被URLEncoder.encode处理
+			 * 会变成%20这种%打头的东西,但是new File的时候%20是无法解析成空格,所以在此需要做URLDecoder.decode处理
+			 */
+			try {
+				classFilePath = URLDecoder.decode(classFilePath, EncodeConstants.ENCODING_UTF_8);
+			} catch (UnsupportedEncodingException e1) {
+				FRContext.getLogger().error(e1.getMessage(), e1);
+			}
+			FRContext.getLogger().info("ClassFilePath:" + classFilePath);
+			/*
+			 * alex:如果是jar包中的class文件
+			 * file:/D:/opt/FineReport6.5/WebReport/WEB-INF/lib/fr-server-6.5.jar!/com/fr/rpt/script/function
+			 */
+			for (String fileName : findClassNamesUnderFilePath(classFilePath)) {
+				try {
+					Class<?> cls = Class.forName(pkgName + "." + fileName.substring(0, fileName.length() - 6));
+					if (StableUtils.classInstanceOf(cls, iface)) {
+						Function inst;
+						inst = (Function)cls.newInstance();
+						for (NameAndTypeAndFunctionList EMBFUNCTION : EMBFUNCTIONS) {
+							if (EMBFUNCTION.test(inst)) {
+								break;
+							}
+						}
+					}
+				} catch (ClassNotFoundException | InstantiationException | IllegalAccessException ignore) {
+				}
+			}
+		}
+	}
 
 	/**
 	 * 将函数分组插件中的函数添加到对应的列表中
 	 * @param listModel
 	 */
-	public static void addFunctionGroupFromPlugins(DefaultListModel listModel){
+	static void addFunctionGroupFromPlugins(DefaultListModel listModel){
 		//hugh:自定义函数分组
         Set<Mutable> containers = ExtraClassManager.getInstance().getArray(FunctionDefContainer.MARK_STRING);
         if(!containers.isEmpty()){
@@ -76,7 +138,63 @@ public abstract class FunctionConstants {
 	    };
 	}
 
-    public static FunctionGroup PLUGIN = new FunctionGroup() {
+	
+	private static String[] findClassNamesUnderFilePath(String filePath) {
+		java.util.List<String> classNameList = new ArrayList<String>();
+		/*
+		 * alex:如果是jar包中的class文件
+		 * file:/D:/opt/FineReport6.5/WebReport/WEB-INF/lib/fr-server-6.5.jar!/com/fr/rpt/script/function
+		 */
+		if (filePath.contains("!/")) {
+			String[] arr = filePath.split("!/");
+			String jarPath = arr[0].substring(6); // alex:substring(6)去掉前面的file:/这六个字符
+			String classPath = arr[1];
+			if(classPath.endsWith("/")){
+				classPath = classPath.substring(0, classPath.length() - 1);
+			}
+            if (!OperatingSystem.isWindows()){
+                //windows里substring后是d:\123\456, mac下substring后是Application/123/456
+                jarPath = StringUtils.perfectStart(jarPath, "/");
+            }
+			
+			ZipFile zip;
+			try {
+				zip = new ZipFile(jarPath);
+				Enumeration entries = zip.entries();
+				while (entries.hasMoreElements()) {
+					ZipEntry entry = (ZipEntry) entries.nextElement();
+					if (entry.isDirectory()) {
+						continue;
+					}
+					
+					String entryName = entry.getName();
+					if (!entryName.contains(classPath) || !entryName.endsWith(".class")) {
+						continue;
+					}
+					
+					classNameList.add(entryName.substring(classPath.length() + 1));
+				}
+			} catch (IOException e) {
+				FRContext.getLogger().error(e.getMessage(), e);
+			}
+		} else {
+			File dir = new File(filePath);
+			File[] files = dir.listFiles();
+			if (files != null) {
+				for (File f : files) {
+					String fileName = f.getName();
+					if (fileName.endsWith(".class")) {
+						classNameList.add(fileName);
+					}
+				}
+			}
+		}
+		
+		return classNameList.toArray(new String[0]);
+	}
+
+	private static FunctionGroup getPluginFunctionGroup() {
+		return new FunctionGroup() {
 			@Override
 			public String getGroupName() {
 				return com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Basic_Base_Formula_Plugin");
@@ -93,8 +211,10 @@ public abstract class FunctionConstants {
 				return nads;
 			}
 		};
+	}
 
-	public static FunctionGroup CUSTOM = new FunctionGroup() {
+	private static FunctionGroup getCustomFunctionGroup() {
+		return new FunctionGroup() {
 			@Override
 			public String getGroupName() {
 				return com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Basic_FormulaD_Custom_Function");
@@ -117,12 +237,16 @@ public abstract class FunctionConstants {
 				return new NameAndDescription[0];
 			}
 		};
+	}
 
-	public static NameAndFunctionList COMMON = new NameAndFunctionList(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Basic_FormulaD_Most_Recently_Used"), new Function[] {
+	private static NameAndFunctionList getCommonFunctionList() {
+		return new NameAndFunctionList(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Basic_FormulaD_Most_Recently_Used"), new Function[] {
 				new SUM(), new COUNT(), new AVERAGE(), new CHAR(), new DATE(), new MAX(), new MIN(), new TIME(), new RANGE()
 		});
+	}
 
-	public static NameAndTypeAndFunctionList[] EMBFUNCTIONS = new NameAndTypeAndFunctionList[] {
+	private static NameAndTypeAndFunctionList[] getEmbededFunctionListArray() {
+		return new NameAndTypeAndFunctionList[] {
 				new NameAndTypeAndFunctionList(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Basic_FormulaD_Math_&_Trig"), Function.MATH),
 				new NameAndTypeAndFunctionList(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Basic_FormulaD_Text"), Function.TEXT),
 				new NameAndTypeAndFunctionList(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Basic_FormulaD_Date_&_Time"), Function.DATETIME),
@@ -132,8 +256,10 @@ public abstract class FunctionConstants {
 				new NameAndTypeAndFunctionList(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Basic_FormulaD_Other"), Function.OTHER),
 				new NameAndTypeAndFunctionList(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Basic_Function_Type_Hierarchy"), Function.HA)
 		};
+	}
 
-	public static FunctionGroup ALL = new FunctionGroup() {
+	private static FunctionGroup getAllFunctionGroup() {
+		return new FunctionGroup() {
 			@Override
 			public String getGroupName() {
 				return com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Basic_FormulaD_All");
@@ -154,121 +280,16 @@ public abstract class FunctionConstants {
 						Collections.addAll(all,createFunctionGroup(((FunctionDefContainer)container)).getDescriptions());
 					}
 				}
-			java.util.Collections.sort(all, NameAndDescriptionComparator);
-			
-			return all.toArray(new NameAndDescription[all.size()]);
-		}
-	};
 
-
+				Collections.sort(all, new Comparator<NameAndDescription>() {
-	
-	private static Comparator<NameAndDescription> NameAndDescriptionComparator = new Comparator<NameAndDescription>() {
 					@Override
 					public int compare(NameAndDescription o1, NameAndDescription o2) {
 						return ComparatorUtils.compare(o1.getName(), o2.getName());
 					}
-	};
+				});
-	
-	private static String[] findClassNamesUnderFilePath(String filePath) {
-		java.util.List<String> classNameList = new ArrayList<String>();
-		/*
-		 * alex:如果是jar包中的class文件
-		 * file:/D:/opt/FineReport6.5/WebReport/WEB-INF/lib/fr-server-6.5.jar!/com/fr/rpt/script/function
-		 */
-		if (filePath.indexOf("!/") >= 0) {
-			String[] arr = filePath.split("!/");
-			String jarPath = arr[0].substring(6); // alex:substring(6)去掉前面的file:/这六个字符
-			String classPath = arr[1];
-			if(classPath.endsWith("/")){
-				classPath = classPath.substring(0, classPath.length() - 1);
-			}
-            if (!OperatingSystem.isWindows()){
-                //windows里substring后是d:\123\456, mac下substring后是Application/123/456
-                jarPath = StringUtils.perfectStart(jarPath, "/");
-            }
-			
-			ZipFile zip;
-			try {
-				zip = new ZipFile(jarPath);
-				Enumeration entries = zip.entries();
-				while (entries.hasMoreElements()) {
-					ZipEntry entry = (ZipEntry) entries.nextElement();
-					if (entry.isDirectory()) {
-						continue;
-					}
-					
-					String entryName = entry.getName();
-					if (entryName.indexOf(classPath) < 0 || !entryName.endsWith(".class")) {
-						continue;
-					}
-					
-					classNameList.add(entryName.substring(classPath.length() + 1));
-				}
-			} catch (IOException e) {
-				FRContext.getLogger().error(e.getMessage(), e);
-			}
-		} else {
-			File dir = new File(filePath);
-			
-			for (File f : dir.listFiles()) {
-				String fileName = f.getName();
-				if (fileName.endsWith(".class")) {
-					classNameList.add(fileName);
-				}
-			}
-		}
-		
-		return classNameList.toArray(new String[classNameList.size()]);
-	}
-	
-	// alex:读取com.fr.script.function包下面所有的Function类
-	static {
-		String pkgName = "com.fr.function";
-		Class<Function> iface = Function.class;
-		ClassLoader classloader = iface.getClassLoader();
-		Enumeration<URL> urlEnumeration = null;
-		try {
-			urlEnumeration = classloader.getResources(pkgName.replace('.', '/'));
-		} catch (IOException e) {
-			FineLoggerFactory.getLogger().error(e.getMessage());
-		}
-		while (urlEnumeration.hasMoreElements()) {
-			URL url = urlEnumeration.nextElement();
-			String classFilePath = url.getFile();
-
-			/*
-			 * alex:url.getFile获取的地址中,如果有空格或中文会被URLEncoder.encode处理
-			 * 会变成%20这种%打头的东西,但是new File的时候%20是无法解析成空格,所以在此需要做URLDecoder.decode处理
-			 */
-			try {
-				classFilePath = URLDecoder.decode(classFilePath, EncodeConstants.ENCODING_UTF_8);
-			} catch (UnsupportedEncodingException e1) {
-				FRContext.getLogger().error(e1.getMessage(), e1);
-			}
-			FRContext.getLogger().info("ClassFilePath:" + classFilePath);
-			/*
-			 * alex:如果是jar包中的class文件
-			 * file:/D:/opt/FineReport6.5/WebReport/WEB-INF/lib/fr-server-6.5.jar!/com/fr/rpt/script/function
-			 */
-			for (String fileName : findClassNamesUnderFilePath(classFilePath)) {
-				try {
-					Class<?> cls = Class.forName(pkgName + "." + fileName.substring(0, fileName.length() - 6));
-					System.out.println(pkgName + "." + fileName.substring(0, fileName.length() - 6));
-					if (StableUtils.classInstanceOf(cls, iface)) {
-						Function inst;
-						inst = (Function)cls.newInstance();
-						for (int fi = 0; fi < EMBFUNCTIONS.length; fi++) {
-							if (EMBFUNCTIONS[fi].test(inst)) {
-								break;
-							}
-						}
 
+				return all.toArray(new NameAndDescription[0]);
 			}
-				} catch (ClassNotFoundException e) {
+		};
-				} catch (InstantiationException e) {
-				} catch (IllegalAccessException e) {
-				}
-			}
-		}
 	}
 }

designer-base/src/test/java/com/fr/design/formula/FunctionConstantsTest.java

@@ -0,0 +1,40 @@
+package com.fr.design.formula;
+
+import org.junit.Test;
+
+import static junit.framework.Assert.fail;
+import static junit.framework.TestCase.assertEquals;
+import static junit.framework.TestCase.assertTrue;
+
+/**
+ * Created by plough on 2018/12/7.
+ */
+public class FunctionConstantsTest {
+    @Test
+    public void testNewInstanceFail() throws Exception {
+        try {
+            FunctionConstants.class.newInstance();
+            fail("Not allowed to instantiate FunctionConstants!");
+        } catch (IllegalAccessException e) {
+            assertTrue(true);
+        }
+    }
+
+    @Test
+    public void testEmbedFuntionsAfterStaticInit() {
+        NameAndTypeAndFunctionList[] embFunctionLists = FunctionConstants.EMBFUNCTIONS;
+        // 一共有 8 个分类
+        assertEquals(8, embFunctionLists.length);
+        for (NameAndTypeAndFunctionList embFunctionsList : embFunctionLists) {
+            // 每个分类下都有函数
+            NameAndDescription[] nameAndDescriptions = embFunctionsList.getDescriptions();
+            assertTrue(nameAndDescriptions.length > 0);
+        }
+    }
+
+    @Test
+    public void testCommonFuntionsAfterStaticInit() {
+        NameAndFunctionList commonFunctionList = FunctionConstants.COMMON;
+        assertEquals(9, commonFunctionList.getDescriptions().length);
+    }
+}