tools/api-checker/src/com/google/gwt/tools/apichecker/ApiClass.java - gwt - Git at Google

 /*
  * Copyright 2008 Google Inc.
  *
  * 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.
  */
 package com.google.gwt.tools.apichecker;

 import com.google.gwt.core.ext.TreeLogger;
 import com.google.gwt.core.ext.typeinfo.JAbstractMethod;
 import com.google.gwt.core.ext.typeinfo.JClassType;
 import com.google.gwt.core.ext.typeinfo.JField;
 import com.google.gwt.core.ext.typeinfo.JMethod;

 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.EnumMap;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;

 /**
  * Encapsulates an API class.
  */
 final class ApiClass implements Comparable<ApiClass>, ApiElement {
   /**
    * Enum for indexing the common storage used for methods and constructors
    *
    */
   public static enum MethodType {
     CONSTRUCTOR, METHOD;
   }

   private HashMap<String, ApiField> apiFields = null;

   /**
    * TODO (amitmanjhi): Toby felt that combining structures for storing
    * MethodType and Constructors was unnecessary. In particular, the hashMap of
    * name#args -> object is meaningless for constructor, since name is empty for
    * constructors. Make it separate.
    *
    * In addition, the current method fails when constructors or methods accept
    * variable arguments. In future, just index everything by name [and not add
    * the number of arguments that they accept].
    */

   /**
    * 2 entries in the list: one for CONSTRUCTOR, and the other for METHOD. Each
    * entry is a mapping from MethodName#args to a set of ApiAbstractMethod
    */
   private EnumMap<MethodType, Map<String, Set<ApiAbstractMethod>>> apiMembersByName =
       null;

   private final ApiPackage apiPackage;
   private final JClassType classType;

   private final boolean isInstantiableApiClass;
   private final boolean isNotsubclassableApiClass;
   private final boolean isSubclassableApiClass;
   private final TreeLogger logger;

   ApiClass(JClassType classType, ApiPackage apiPackage) {
     this.classType = classType;
     this.apiPackage = apiPackage;
     logger = apiPackage.getApiContainer().getLogger();
     ApiContainer apiContainer = apiPackage.getApiContainer();
     isSubclassableApiClass = apiContainer.isSubclassableApiClass(classType);
     isNotsubclassableApiClass =
         apiContainer.isNotsubclassableApiClass(classType);
     isInstantiableApiClass = apiContainer.isInstantiableApiClass(classType);
   }

   public int compareTo(ApiClass other) {
     return getName().compareTo(other.getName());
   }

   public String getRelativeSignature() {
     return classType.getQualifiedSourceName();
   }

   @Override
   public String toString() {
     return classType.toString();
   }

   String getApiAsString() {
     StringBuffer sb = new StringBuffer();
     sb.append("\t" + getName() + "\n");
     if (apiFields != null) {
       ArrayList<ApiField> apiFieldsList =
           new ArrayList<ApiField>(apiFields.values());
       Collections.sort(apiFieldsList);
       for (ApiField apiField : apiFieldsList) {
         sb.append("\t\t" + apiField.getRelativeSignature() + "\n");
       }
     }
     if (apiMembersByName != null
         && apiMembersByName.get(MethodType.METHOD) != null) {
       for (MethodType method : MethodType.values()) {
         HashSet<ApiAbstractMethod> apiMethodsSet =
             new HashSet<ApiAbstractMethod>();
         for (Set<ApiAbstractMethod> methodsSets : apiMembersByName.get(method).values()) {
           apiMethodsSet.addAll(methodsSets);
         }
         ArrayList<ApiAbstractMethod> apiMethodsList =
             new ArrayList<ApiAbstractMethod>(apiMethodsSet);
         Collections.sort(apiMethodsList);
         for (ApiAbstractMethod apiMethod : apiMethodsList) {
           sb.append("\t\t" + apiMethod.getRelativeSignature() + "\n");
         }
       }
     }
     return sb.toString();
   }

   ApiField getApiFieldByName(String name) {
     return apiFields.get(name);
   }

   Set<String> getApiFieldNames() {
     if (apiFields == null) {
       initializeApiFields();
     }
     return new HashSet<String>(apiFields.keySet());
   }

   Set<ApiField> getApiFieldsBySet(Set<String> names) {
     Set<ApiField> ret = new HashSet<ApiField>();
     for (String name : names) {
       ret.add(apiFields.get(name));
     }
     return ret;
   }

   Set<String> getApiMemberNames(MethodType type) {
     if (apiMembersByName == null) {
       initializeApiConstructorsAndMethods();
     }
     return new HashSet<String>(apiMembersByName.get(type).keySet());
   }

   Set<ApiAbstractMethod> getApiMembersBySet(Set<String> methodNames,
       MethodType type) {
     Map<String, Set<ApiAbstractMethod>> current = apiMembersByName.get(type);
     Set<ApiAbstractMethod> tempMethods = new HashSet<ApiAbstractMethod>();
     for (String methodName : methodNames) {
       tempMethods.addAll(current.get(methodName));
     }
     return tempMethods;
   }

   Set<ApiAbstractMethod> getApiMethodsByName(String name, MethodType type) {
     return apiMembersByName.get(type).get(name);
   }

   JClassType getClassObject() {
     return classType;
   }

   String getFullName() {
     return classType.getQualifiedSourceName();
   }

   /**
    * compute the modifier changes. check for: (i) added 'final' or 'abstract' or
    * 'static' (ii) removed 'static' or 'non-abstract class made into interface'
    * (if a non-abstract class is made into interface, the client class/interface
    * inheriting from it would need to change)
    */
   List<ApiChange.Status> getModifierChanges(ApiClass newClass) {
     JClassType newClassType = newClass.getClassObject();
     List<ApiChange.Status> statuses = new ArrayList<ApiChange.Status>(5);

     // check for addition of 'final', 'abstract', 'static'
     if (!classType.isFinal() && newClassType.isFinal()) {
       statuses.add(ApiChange.Status.FINAL_ADDED);
     }
     if (!classType.isAbstract() && newClassType.isAbstract()) {
       statuses.add(ApiChange.Status.ABSTRACT_ADDED);
     }
     if (!classType.isStatic() && newClassType.isStatic()) {
       statuses.add(ApiChange.Status.STATIC_ADDED);
     }

     // removed 'static'
     if (classType.isStatic() && !newClassType.isStatic()) {
       statuses.add(ApiChange.Status.STATIC_REMOVED);
     }

     if (!classType.isAbstract() && (newClassType.isInterface() != null)) {
       statuses.add(ApiChange.Status.NONABSTRACT_CLASS_MADE_INTERFACE);
     }
     if (apiPackage.getApiContainer().isSubclassableApiClass(classType)) {
       if ((classType.isClass() != null) && (newClassType.isInterface() != null)) {
         statuses.add(ApiChange.Status.SUBCLASSABLE_API_CLASS_MADE_INTERFACE);
       }
       if ((classType.isInterface() != null) && (newClassType.isClass() != null)) {
         statuses.add(ApiChange.Status.SUBCLASSABLE_API_INTERFACE_MADE_CLASS);
       }
     }
     return statuses;
   }

   String getName() {
     return classType.getName();
   }

   ApiPackage getPackage() {
     return apiPackage;
   }

   void initializeApiFields() {
     apiFields = new HashMap<String, ApiField>();
     List<String> notAddedFields = new ArrayList<String>();
     JField fields[] = getAccessibleFields();
     for (JField field : fields) {
       if (isApiMember(field)) {
         apiFields.put(ApiField.computeApiSignature(field), new ApiField(field,
             this));
       } else {
         notAddedFields.add(field.toString());
       }
     }
     if (notAddedFields.size() > 0) {
       logger.log(TreeLogger.SPAM, "class " + getName() + " " + ", not adding "
           + notAddedFields.size() + " nonApi fields: " + notAddedFields, null);
     }
   }

   private JField[] getAccessibleFields() {
     Map<String, JField> fieldsBySignature = new HashMap<String, JField>();
     JClassType tempClassType = classType;
     do {
       JField declaredFields[] = tempClassType.getFields();
       for (JField field : declaredFields) {
         if (field.isPrivate()) {
           continue;
         }
         String signature = field.toString();
         JField existing = fieldsBySignature.put(signature, field);
         if (existing != null) {
           // TODO(amitmanjhi): Consider whether this is sufficient
           fieldsBySignature.put(signature, existing);
         }
       }
       tempClassType = tempClassType.getSuperclass();
     } while (tempClassType != null);
     return fieldsBySignature.values().toArray(new JField[0]);
   }

   // TODO(amitmanjhi): to optimize, cache results
   private JMethod[] getAccessibleMethods() {
     boolean isInterface = false;
     if (classType.isInterface() != null) {
       isInterface = true;
     }
     Map<String, JMethod> methodsBySignature = new HashMap<String, JMethod>();
     LinkedList<JClassType> classesToBeProcessed = new LinkedList<JClassType>();
     classesToBeProcessed.add(classType);
     JClassType tempClassType = null;
     while (classesToBeProcessed.peek() != null) {
       tempClassType = classesToBeProcessed.remove();
       JMethod declaredMethods[] = tempClassType.getMethods();
       for (JMethod method : declaredMethods) {
         if (method.isPrivate()) {
           continue;
         }
         String signature = ApiAbstractMethod.computeInternalSignature(method);
         JMethod existing = methodsBySignature.put(signature, method);
         if (existing != null) {
           // decide which implementation to keep
           if (existing.getEnclosingType().isAssignableTo(
               method.getEnclosingType())) {
             methodsBySignature.put(signature, existing);
           }
         }
       }
       if (isInterface) {
         classesToBeProcessed.addAll(Arrays.asList(tempClassType.getImplementedInterfaces()));
       } else {
         classesToBeProcessed.add(tempClassType.getSuperclass());
       }
     }
     return methodsBySignature.values().toArray(new JMethod[0]);
   }

   private JAbstractMethod[] getAccessibleMethods(MethodType member) {
     switch (member) {
       case CONSTRUCTOR:
         return classType.getConstructors();
       case METHOD:
         return getAccessibleMethods();
     }
     throw new AssertionError("Unknown value : " + member);
   }

   private void initializeApiConstructorsAndMethods() {
     apiMembersByName =
         new EnumMap<MethodType, Map<String, Set<ApiAbstractMethod>>>(
             MethodType.class);
     for (MethodType method : MethodType.values()) {
       apiMembersByName.put(method,
           new HashMap<String, Set<ApiAbstractMethod>>());
       Map<String, Set<ApiAbstractMethod>> pointer =
           apiMembersByName.get(method);
       List<String> notAddedMembers = new ArrayList<String>();
       JAbstractMethod jams[] = getAccessibleMethods(method);
       for (JAbstractMethod jam : jams) {
         if (isApiMember(jam)) {
           String tempName = jam.getName() + jam.getParameters().length;
           Set<ApiAbstractMethod> existingMembers = pointer.get(tempName);
           if (existingMembers == null) {
             existingMembers = new HashSet<ApiAbstractMethod>();
           }
           switch (method) {
             case CONSTRUCTOR:
               existingMembers.add(new ApiConstructor(jam, this));
               break;
             case METHOD:
               existingMembers.add(new ApiMethod(jam, this));
               break;
             default:
               throw new AssertionError("Unknown memberType : " + method);
           }
           pointer.put(tempName, existingMembers);
         } else {
           notAddedMembers.add(jam.toString());
         }
       }
       if (notAddedMembers.size() > 0) {
         logger.log(TreeLogger.SPAM, "class " + getName() + ", removing "
             + notAddedMembers.size() + " nonApi members: " + notAddedMembers,
             null);
       }
     }
   }

   /**
    * Note: Instance members of a class that is not instantiable are not api
    * members.
    */
   private boolean isApiMember(final Object member) {
     boolean isPublic = false;
     boolean isPublicOrProtected = false;
     boolean isStatic = false;

     if (member instanceof JField) {
       JField field = (JField) member;
       isPublic = field.isPublic();
       isPublicOrProtected = isPublic || field.isProtected();
       isStatic = field.isStatic();
     }
     if (member instanceof JAbstractMethod) {
       JAbstractMethod method = (JAbstractMethod) member;
       isPublic = method.isPublic();
       isPublicOrProtected = isPublic || method.isProtected();
       if (method instanceof JMethod) {
         JMethod temp = (JMethod) method;
         isStatic = temp.isStatic();
       } else {
         isStatic = false; // constructors can't be static
       }
     }
     if (ApiCompatibilityChecker.REMOVE_NON_SUBCLASSABLE_ABSTRACT_CLASS_FROM_API) {
       if (!isInstantiableApiClass && !isStatic && !isSubclassableApiClass) {
         return false;
       }
     }
     return (isSubclassableApiClass && isPublicOrProtected)
         || (isNotsubclassableApiClass && isPublic);
   }

 }
	/*
	* Copyright 2008 Google Inc.
	*
	* 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.
	*/
	package com.google.gwt.tools.apichecker;

	import com.google.gwt.core.ext.TreeLogger;
	import com.google.gwt.core.ext.typeinfo.JAbstractMethod;
	import com.google.gwt.core.ext.typeinfo.JClassType;
	import com.google.gwt.core.ext.typeinfo.JField;
	import com.google.gwt.core.ext.typeinfo.JMethod;

	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.Collections;
	import java.util.EnumMap;
	import java.util.HashMap;
	import java.util.HashSet;
	import java.util.LinkedList;
	import java.util.List;
	import java.util.Map;
	import java.util.Set;

	/**
	* Encapsulates an API class.
	*/
	final class ApiClass implements Comparable<ApiClass>, ApiElement {
	/**
	* Enum for indexing the common storage used for methods and constructors
	*
	*/
	public static enum MethodType {
	CONSTRUCTOR, METHOD;
	}

	private HashMap<String, ApiField> apiFields = null;

	/**
	* TODO (amitmanjhi): Toby felt that combining structures for storing
	* MethodType and Constructors was unnecessary. In particular, the hashMap of
	* name#args -> object is meaningless for constructor, since name is empty for
	* constructors. Make it separate.
	*
	* In addition, the current method fails when constructors or methods accept
	* variable arguments. In future, just index everything by name [and not add
	* the number of arguments that they accept].
	*/

	/**
	* 2 entries in the list: one for CONSTRUCTOR, and the other for METHOD. Each
	* entry is a mapping from MethodName#args to a set of ApiAbstractMethod
	*/
	private EnumMap<MethodType, Map<String, Set<ApiAbstractMethod>>> apiMembersByName =
	null;

	private final ApiPackage apiPackage;
	private final JClassType classType;

	private final boolean isInstantiableApiClass;
	private final boolean isNotsubclassableApiClass;
	private final boolean isSubclassableApiClass;
	private final TreeLogger logger;

	ApiClass(JClassType classType, ApiPackage apiPackage) {
	this.classType = classType;
	this.apiPackage = apiPackage;
	logger = apiPackage.getApiContainer().getLogger();
	ApiContainer apiContainer = apiPackage.getApiContainer();
	isSubclassableApiClass = apiContainer.isSubclassableApiClass(classType);
	isNotsubclassableApiClass =
	apiContainer.isNotsubclassableApiClass(classType);
	isInstantiableApiClass = apiContainer.isInstantiableApiClass(classType);
	}

	public int compareTo(ApiClass other) {
	return getName().compareTo(other.getName());
	}

	public String getRelativeSignature() {
	return classType.getQualifiedSourceName();
	}

	@Override
	public String toString() {
	return classType.toString();
	}

	String getApiAsString() {
	StringBuffer sb = new StringBuffer();
	sb.append("\t" + getName() + "\n");
	if (apiFields != null) {
	ArrayList<ApiField> apiFieldsList =
	new ArrayList<ApiField>(apiFields.values());
	Collections.sort(apiFieldsList);
	for (ApiField apiField : apiFieldsList) {
	sb.append("\t\t" + apiField.getRelativeSignature() + "\n");
	}
	}
	if (apiMembersByName != null
	&& apiMembersByName.get(MethodType.METHOD) != null) {
	for (MethodType method : MethodType.values()) {
	HashSet<ApiAbstractMethod> apiMethodsSet =
	new HashSet<ApiAbstractMethod>();
	for (Set<ApiAbstractMethod> methodsSets : apiMembersByName.get(method).values()) {
	apiMethodsSet.addAll(methodsSets);
	}
	ArrayList<ApiAbstractMethod> apiMethodsList =
	new ArrayList<ApiAbstractMethod>(apiMethodsSet);
	Collections.sort(apiMethodsList);
	for (ApiAbstractMethod apiMethod : apiMethodsList) {
	sb.append("\t\t" + apiMethod.getRelativeSignature() + "\n");
	}
	}
	}
	return sb.toString();
	}

	ApiField getApiFieldByName(String name) {
	return apiFields.get(name);
	}

	Set<String> getApiFieldNames() {
	if (apiFields == null) {
	initializeApiFields();
	}
	return new HashSet<String>(apiFields.keySet());
	}

	Set<ApiField> getApiFieldsBySet(Set<String> names) {
	Set<ApiField> ret = new HashSet<ApiField>();
	for (String name : names) {
	ret.add(apiFields.get(name));
	}
	return ret;
	}

	Set<String> getApiMemberNames(MethodType type) {
	if (apiMembersByName == null) {
	initializeApiConstructorsAndMethods();
	}
	return new HashSet<String>(apiMembersByName.get(type).keySet());
	}

	Set<ApiAbstractMethod> getApiMembersBySet(Set<String> methodNames,
	MethodType type) {
	Map<String, Set<ApiAbstractMethod>> current = apiMembersByName.get(type);
	Set<ApiAbstractMethod> tempMethods = new HashSet<ApiAbstractMethod>();
	for (String methodName : methodNames) {
	tempMethods.addAll(current.get(methodName));
	}
	return tempMethods;
	}

	Set<ApiAbstractMethod> getApiMethodsByName(String name, MethodType type) {
	return apiMembersByName.get(type).get(name);
	}

	JClassType getClassObject() {
	return classType;
	}

	String getFullName() {
	return classType.getQualifiedSourceName();
	}

	/**
	* compute the modifier changes. check for: (i) added 'final' or 'abstract' or
	* 'static' (ii) removed 'static' or 'non-abstract class made into interface'
	* (if a non-abstract class is made into interface, the client class/interface
	* inheriting from it would need to change)
	*/
	List<ApiChange.Status> getModifierChanges(ApiClass newClass) {
	JClassType newClassType = newClass.getClassObject();
	List<ApiChange.Status> statuses = new ArrayList<ApiChange.Status>(5);

	// check for addition of 'final', 'abstract', 'static'
	if (!classType.isFinal() && newClassType.isFinal()) {
	statuses.add(ApiChange.Status.FINAL_ADDED);
	}
	if (!classType.isAbstract() && newClassType.isAbstract()) {
	statuses.add(ApiChange.Status.ABSTRACT_ADDED);
	}
	if (!classType.isStatic() && newClassType.isStatic()) {
	statuses.add(ApiChange.Status.STATIC_ADDED);
	}

	// removed 'static'
	if (classType.isStatic() && !newClassType.isStatic()) {
	statuses.add(ApiChange.Status.STATIC_REMOVED);
	}

	if (!classType.isAbstract() && (newClassType.isInterface() != null)) {
	statuses.add(ApiChange.Status.NONABSTRACT_CLASS_MADE_INTERFACE);
	}
	if (apiPackage.getApiContainer().isSubclassableApiClass(classType)) {
	if ((classType.isClass() != null) && (newClassType.isInterface() != null)) {
	statuses.add(ApiChange.Status.SUBCLASSABLE_API_CLASS_MADE_INTERFACE);
	}
	if ((classType.isInterface() != null) && (newClassType.isClass() != null)) {
	statuses.add(ApiChange.Status.SUBCLASSABLE_API_INTERFACE_MADE_CLASS);
	}
	}
	return statuses;
	}

	String getName() {
	return classType.getName();
	}

	ApiPackage getPackage() {
	return apiPackage;
	}

	void initializeApiFields() {
	apiFields = new HashMap<String, ApiField>();
	List<String> notAddedFields = new ArrayList<String>();
	JField fields[] = getAccessibleFields();
	for (JField field : fields) {
	if (isApiMember(field)) {
	apiFields.put(ApiField.computeApiSignature(field), new ApiField(field,
	this));
	} else {
	notAddedFields.add(field.toString());
	}
	}
	if (notAddedFields.size() > 0) {
	logger.log(TreeLogger.SPAM, "class " + getName() + " " + ", not adding "
	+ notAddedFields.size() + " nonApi fields: " + notAddedFields, null);
	}
	}

	private JField[] getAccessibleFields() {
	Map<String, JField> fieldsBySignature = new HashMap<String, JField>();
	JClassType tempClassType = classType;
	do {
	JField declaredFields[] = tempClassType.getFields();
	for (JField field : declaredFields) {
	if (field.isPrivate()) {
	continue;
	}
	String signature = field.toString();
	JField existing = fieldsBySignature.put(signature, field);
	if (existing != null) {
	// TODO(amitmanjhi): Consider whether this is sufficient
	fieldsBySignature.put(signature, existing);
	}
	}
	tempClassType = tempClassType.getSuperclass();
	} while (tempClassType != null);
	return fieldsBySignature.values().toArray(new JField[0]);
	}

	// TODO(amitmanjhi): to optimize, cache results
	private JMethod[] getAccessibleMethods() {
	boolean isInterface = false;
	if (classType.isInterface() != null) {
	isInterface = true;
	}
	Map<String, JMethod> methodsBySignature = new HashMap<String, JMethod>();
	LinkedList<JClassType> classesToBeProcessed = new LinkedList<JClassType>();
	classesToBeProcessed.add(classType);
	JClassType tempClassType = null;
	while (classesToBeProcessed.peek() != null) {
	tempClassType = classesToBeProcessed.remove();
	JMethod declaredMethods[] = tempClassType.getMethods();
	for (JMethod method : declaredMethods) {
	if (method.isPrivate()) {
	continue;
	}
	String signature = ApiAbstractMethod.computeInternalSignature(method);
	JMethod existing = methodsBySignature.put(signature, method);
	if (existing != null) {
	// decide which implementation to keep
	if (existing.getEnclosingType().isAssignableTo(
	method.getEnclosingType())) {
	methodsBySignature.put(signature, existing);
	}
	}
	}
	if (isInterface) {
	classesToBeProcessed.addAll(Arrays.asList(tempClassType.getImplementedInterfaces()));
	} else {
	classesToBeProcessed.add(tempClassType.getSuperclass());
	}
	}
	return methodsBySignature.values().toArray(new JMethod[0]);
	}

	private JAbstractMethod[] getAccessibleMethods(MethodType member) {
	switch (member) {
	case CONSTRUCTOR:
	return classType.getConstructors();
	case METHOD:
	return getAccessibleMethods();
	}
	throw new AssertionError("Unknown value : " + member);
	}

	private void initializeApiConstructorsAndMethods() {
	apiMembersByName =
	new EnumMap<MethodType, Map<String, Set<ApiAbstractMethod>>>(
	MethodType.class);
	for (MethodType method : MethodType.values()) {
	apiMembersByName.put(method,
	new HashMap<String, Set<ApiAbstractMethod>>());
	Map<String, Set<ApiAbstractMethod>> pointer =
	apiMembersByName.get(method);
	List<String> notAddedMembers = new ArrayList<String>();
	JAbstractMethod jams[] = getAccessibleMethods(method);
	for (JAbstractMethod jam : jams) {
	if (isApiMember(jam)) {
	String tempName = jam.getName() + jam.getParameters().length;
	Set<ApiAbstractMethod> existingMembers = pointer.get(tempName);
	if (existingMembers == null) {
	existingMembers = new HashSet<ApiAbstractMethod>();
	}
	switch (method) {
	case CONSTRUCTOR:
	existingMembers.add(new ApiConstructor(jam, this));
	break;
	case METHOD:
	existingMembers.add(new ApiMethod(jam, this));
	break;
	default:
	throw new AssertionError("Unknown memberType : " + method);
	}
	pointer.put(tempName, existingMembers);
	} else {
	notAddedMembers.add(jam.toString());
	}
	}
	if (notAddedMembers.size() > 0) {
	logger.log(TreeLogger.SPAM, "class " + getName() + ", removing "
	+ notAddedMembers.size() + " nonApi members: " + notAddedMembers,
	null);
	}
	}
	}

	/**
	* Note: Instance members of a class that is not instantiable are not api
	* members.
	*/
	private boolean isApiMember(final Object member) {
	boolean isPublic = false;
	boolean isPublicOrProtected = false;
	boolean isStatic = false;

	if (member instanceof JField) {
	JField field = (JField) member;
	isPublic = field.isPublic();
	isPublicOrProtected = isPublic \|\| field.isProtected();
	isStatic = field.isStatic();
	}
	if (member instanceof JAbstractMethod) {
	JAbstractMethod method = (JAbstractMethod) member;
	isPublic = method.isPublic();
	isPublicOrProtected = isPublic \|\| method.isProtected();
	if (method instanceof JMethod) {
	JMethod temp = (JMethod) method;
	isStatic = temp.isStatic();
	} else {
	isStatic = false; // constructors can't be static
	}
	}
	if (ApiCompatibilityChecker.REMOVE_NON_SUBCLASSABLE_ABSTRACT_CLASS_FROM_API) {
	if (!isInstantiableApiClass && !isStatic && !isSubclassableApiClass) {
	return false;
	}
	}
	return (isSubclassableApiClass && isPublicOrProtected)
	\|\| (isNotsubclassableApiClass && isPublic);
	}

	}