X-Git-Url: http://www2.svjatoslav.eu/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fmain%2Fjava%2Feu%2Fsvjatoslav%2Finspector%2Fjava%2Fstructure%2FClassDescriptor.java;h=2b775cb2714f4a803ef9129a93bf2d5fd832fca1;hb=94b2a818903a8ec1579dce828b47076c53f435ab;hp=c8a2773880e14d3ed3c28cb96836b9d586fb3d84;hpb=d717e90f4c46e26f9f54ba5638aade6688527bf4;p=javainspect.git diff --git a/src/main/java/eu/svjatoslav/inspector/java/structure/ClassDescriptor.java b/src/main/java/eu/svjatoslav/inspector/java/structure/ClassDescriptor.java old mode 100644 new mode 100755 index c8a2773..2b775cb --- a/src/main/java/eu/svjatoslav/inspector/java/structure/ClassDescriptor.java +++ b/src/main/java/eu/svjatoslav/inspector/java/structure/ClassDescriptor.java @@ -1,10 +1,10 @@ /* * JavaInspect - Utility to visualize java software - * Copyright (C) 2013, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu - * + * Copyright (C) 2013-2015, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu + * * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public License - * as published by the Free Software Foundation. + * modify it under the terms of version 3 of the GNU Lesser General Public License + * or later as published by the Free Software Foundation. */ package eu.svjatoslav.inspector.java.structure; @@ -12,9 +12,11 @@ package eu.svjatoslav.inspector.java.structure; import java.lang.reflect.Field; import java.lang.reflect.Method; import java.util.ArrayList; -import java.util.HashMap; import java.util.List; import java.util.Map; +import java.util.SortedSet; +import java.util.TreeMap; +import java.util.TreeSet; /** * Describes single class instance @@ -23,11 +25,11 @@ public class ClassDescriptor implements GraphElement { private static final int MAX_REFERECNES_COUNT = 10; - public final String fullyQualifiedName; + public String classFullyQualifiedName; - Map nameToFieldMap = new HashMap(); + private final Map nameToFieldMap = new TreeMap(); - public List methods = new ArrayList(); + private final SortedSet methods = new TreeSet(); /** * Incoming arrows will have this color. @@ -44,7 +46,9 @@ public class ClassDescriptor implements GraphElement { boolean isArray; - private final ClassGraph dump; + private boolean isShown = true; + + private final ClassGraph classGraph; List interfaces = new ArrayList(); @@ -53,19 +57,30 @@ public class ClassDescriptor implements GraphElement { /** * Amount of field and method references pointing to this class. */ - private int referenceCount = 0; + private int referencesCount = 0; + + // for interface, counts amount of found implementations + private int implementationsCount = 0; + + // counts amount of times this class is extended + private int extensionsCount = 0; + + private ClassDescriptor arrayComponent; + + public ClassDescriptor(final ClassGraph classGraph) { + this.classGraph = classGraph; + } - public ClassDescriptor(final Class clazz, final ClassGraph dump) { - this.dump = dump; + public void analyzeClass(final Class clazz) { - fullyQualifiedName = clazz.getName(); - dump.nameToClassMap.put(fullyQualifiedName, this); + classFullyQualifiedName = clazz.getName(); isArray = clazz.isArray(); if (isArray) { final Class componentType = clazz.getComponentType(); - dump.addClass(componentType); + arrayComponent = getClassGraph().getOrCreateClassDescriptor( + componentType); } // System.out.println("class: " + fullyQualifiedName); @@ -82,14 +97,22 @@ public class ClassDescriptor implements GraphElement { indexMethods(clazz); - for (final Class interfaceClass : clazz.getInterfaces()) - interfaces.add(dump.addClass(interfaceClass)); + for (final Class interfaceClass : clazz.getInterfaces()) { + final ClassDescriptor interfaceClassDescriptor = getClassGraph() + .getOrCreateClassDescriptor(interfaceClass); + interfaceClassDescriptor.registerImplementation(); + interfaces.add(interfaceClassDescriptor); + } - superClass = dump.addClass(clazz.getSuperclass()); - } + superClass = getClassGraph().getOrCreateClassDescriptor( + clazz.getSuperclass()); + if (superClass != null) + superClass.registerExtension(); + + }; public boolean areReferencesShown() { - return referenceCount <= MAX_REFERECNES_COUNT; + return referencesCount <= MAX_REFERECNES_COUNT; } public void enlistFieldReferences(final StringBuffer result) { @@ -122,16 +145,19 @@ public class ClassDescriptor implements GraphElement { result.append("\n"); result.append(" // interfaces implemented by class: " - + fullyQualifiedName + "\n"); + + classFullyQualifiedName + "\n"); for (final ClassDescriptor interfaceDescriptor : interfaces) { if (!interfaceDescriptor.isVisible()) continue; + if (!interfaceDescriptor.areReferencesShown()) + continue; + result.append(" " + interfaceDescriptor.getGraphId() + " -> " - + getGraphId() + "[style=\"dotted, tapered\", color=\"" + + getGraphId() + "[style=\"dotted\", color=\"" + interfaceDescriptor.getInterfaceColor() - + "\", penwidth=20, dir=\"forward\"];\n"); + + "\", penwidth=10, dir=\"forward\"];\n"); } } @@ -164,18 +190,21 @@ public class ClassDescriptor implements GraphElement { if (!superClass.isVisible()) return; + if (!superClass.areReferencesShown()) + return; + result.append("\n"); - result.append(" // super class for: " + fullyQualifiedName + "\n"); + result.append(" // super class for: " + classFullyQualifiedName + + "\n"); result.append(" " + superClass.getGraphId() + " -> " + getGraphId() - + "[style=\"tapered\", color=\"" - + superClass.getSuperClassColor() + + "[ color=\"" + superClass.getSuperClassColor() + "\", penwidth=10, dir=\"forward\"];\n"); } public void generateDotHeader(final StringBuffer result) { result.append("\n"); - result.append("// Class: " + fullyQualifiedName + "\n"); + result.append("// Class: " + classFullyQualifiedName + "\n"); result.append(" " + getGraphId() + "[label=<\n"); + + "
"); + + final String parentClassesName = getParentClassesName(); + if (parentClassesName.length() > 0) + result.append("" + parentClassesName + + "
\n"); + + result.append("" + getClassName(false) + + "" + "\n"); } public List getAllFields() { @@ -218,19 +254,34 @@ public class ClassDescriptor implements GraphElement { return "1"; } - public String getClassName(final boolean differentiateArray) { - - final int i = fullyQualifiedName.lastIndexOf('.'); + public ClassGraph getClassGraph() { + return classGraph; + } - String result = fullyQualifiedName.substring(i + 1); + public String getClassName(final boolean differentiateArray) { + // this is needed for nested classes + final String actualClassName = classFullyQualifiedName + .replace('$', '.'); - if (isArray) - result = result.substring(0, result.length() - 1); + String result; + if (isArray) { + // for arrays use array component instead of array class name + result = arrayComponent.classFullyQualifiedName; + if (result.contains(".")) { + final int i = result.lastIndexOf('.'); + result = result.substring(i + 1); + } + } else { + final int i = actualClassName.lastIndexOf('.'); + result = actualClassName.substring(i + 1); + } if (differentiateArray) if (isArray) result += " []"; + // this is needed for nested classes + // result = result.replace('$', '.'); return result; } @@ -279,31 +330,34 @@ public class ClassDescriptor implements GraphElement { return null; } + /** + * Returns field with given name (case is ignored). Or null if + * field is not found. + */ + public FieldDescriptor getFieldIgnoreCase(final String fieldToSearch) { + + for (final String fieldName : nameToFieldMap.keySet()) + if (fieldToSearch.equalsIgnoreCase(fieldName)) + return nameToFieldMap.get(fieldName); + + return null; + } + @Override public String getGraphId() { final String result = "class_" - + fullyQualifiedName.replace('.', '_').replace(";", "") - .replace("[L", ""); + + classFullyQualifiedName.replace('.', '_').replace(";", "") + .replace("[L", "").replace('$', '_'); return result; } public String getInterfaceColor() { if (interfaceColor == null) - interfaceColor = Utils.getNextLightColor(); + interfaceColor = Utils.getNextDarkColor(); return interfaceColor; } - public String getPackageName() { - - final int i = fullyQualifiedName.lastIndexOf('.'); - - if (i == -1) - return ""; - - return fullyQualifiedName.substring(0, i).replace("[L", ""); - } - // public String getReadableName() { // // // do not print full class name for well known system classes @@ -318,6 +372,66 @@ public class ClassDescriptor implements GraphElement { // return fullyQualifiedName; // } + private FieldDescriptor getOrCreateFieldDescriptor(final Field field) { + + final String fieldName = field.getName(); + + if (nameToFieldMap.containsKey(fieldName)) + return nameToFieldMap.get(fieldName); + + final FieldDescriptor newFieldDescriptor = new FieldDescriptor(this); + nameToFieldMap.put(fieldName, newFieldDescriptor); + + newFieldDescriptor.analyzeField(field); + + return newFieldDescriptor; + } + + private int getOutgoingReferencesCount() { + int result = 0; + + // count method references + for (final MethodDescriptor methodDescriptor : methods) + result += methodDescriptor.getOutsideVisibleReferencesCount(); + + // count field references + for (final FieldDescriptor fieldDescriptor : nameToFieldMap.values()) + result += fieldDescriptor.getOutsideVisibleReferencesCount(); + + // count implemented interfaces + for (final ClassDescriptor classDescriptor : interfaces) + if (classDescriptor.isVisible()) + result++; + + // count superclass + if (superClass != null) + if (superClass.isVisible()) + result++; + + return result; + } + + public String getPackageName() { + + final int i = classFullyQualifiedName.lastIndexOf('.'); + + if (i == -1) + return ""; + + return classFullyQualifiedName.substring(0, i).replace("[L", ""); + } + + public String getParentClassesName() { + int i = classFullyQualifiedName.lastIndexOf('.'); + final String fullClassName = classFullyQualifiedName.substring(i + 1); + + i = fullClassName.lastIndexOf('$'); + if (i == -1) + return ""; + final String parentClassesName = fullClassName.substring(0, i); + return parentClassesName.replace('$', '.'); + } + public String getSuperClassColor() { if (superClassColor == null) superClassColor = Utils.getNextLightColor(); @@ -325,39 +439,92 @@ public class ClassDescriptor implements GraphElement { return superClassColor; } - public void indexFields(final Field[] fields) { - for (final Field field : fields) { - if (nameToFieldMap.containsKey(field.getName())) - continue; + /** + * Checks if class has field with given name (case is ignored). Returns + * true if such field is found. + */ + public boolean hasFieldIgnoreCase(final String fieldToSearch) { - final FieldDescriptor fieldDescriptor = new FieldDescriptor(field, - this, dump); + for (final String fieldName : nameToFieldMap.keySet()) + if (fieldToSearch.equalsIgnoreCase(fieldName)) + return true; + return false; + } + + public void hide() { + isShown = false; + } + + public void hideClassIfNoReferences() { + if (!isVisible()) + return; + + final int totalReferencesCount = getOutgoingReferencesCount() + + referencesCount + extensionsCount + implementationsCount; + + if (totalReferencesCount == 0) { + hide(); + return; } + + return; + } + + public void indexFields(final Field[] fields) { + for (final Field field : fields) + getOrCreateFieldDescriptor(field); } private void indexMethods(final Class clazz) { - final Method[] methods = clazz.getMethods(); + for (final Method method : clazz.getMethods()) { + final MethodDescriptor methodDescriptor = new MethodDescriptor( + this, method.getName()); - for (final Method method : methods) - new MethodDescriptor(method, this, dump); + methods.add(methodDescriptor); + + methodDescriptor.analyze(method); + } } @Override public boolean isVisible() { - if (Utils.isSystemDataType(fullyQualifiedName)) + if (Utils.isSystemDataType(classFullyQualifiedName)) + return false; + + if (Utils.isSystemPackage(classFullyQualifiedName)) return false; - if (Utils.isSystemPackage(fullyQualifiedName)) + if (!getClassGraph().getFilter().isClassShown(classFullyQualifiedName)) return false; - return true; + if (isArray) + if (arrayComponent != null) + if (Utils + .isSystemDataType(arrayComponent.classFullyQualifiedName)) + // Do not show references to primitive data types in arrays. + // That is: there is no point to show reference to byte when + // we have class with byte array field. + return false; + + return isShown; + } + + /** + * Register event when another class is extending this one. + */ + public void registerExtension() { + extensionsCount++; + } + + public void registerImplementation() { + implementationsCount++; } public void registerReference() { - referenceCount++; + referencesCount++; } public void setDistinctiveColor(final String distinctiveColor) {
" + "" + getPackageName() - + "
" + "" - + getClassName(false) + "" + "