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GroupImpl -- synopsis by Florian Mueller (http://fosspatents.blogspot.com -- Twitter:FOSSpatents)
Source code generated by decompilation of GroupImpl.class Source code shipped by Google
(jdk1.5.0.22; spaces and blank lines inserted manually) (Android "Froyo" release; spaces and blank lines inserted manually)
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package sun.security.acl; package org.apache.harmony.security.tests.support.acl;
import java.security.Principal; import java.security.Principal;
import java.security.acl.Group; import java.security.acl.Group;
import java.util.Enumeration; import java.util.Enumeration;
import java.util.Vector; import java.util.Vector;
GroupImpl synopsis -- page 1 of 5
/**
* Additional class for verification Group interface
*/
public class GroupImpl public class GroupImpl implements Group {
implements Group
{
private Vector groupMembers;
private String group;1
public GroupImpl(String s) public GroupImpl(String s) {
{
groupMembers = new Vector(50, 100); groupMembers = new Vector(50, 100);
group = s; group = s;
} }
public boolean addMember(Principal principal) public boolean addMember(Principal principal) {
{
if(groupMembers.contains(principal)) if(groupMembers.contains(principal))
return false; return false;
if(group.equals(principal.toString())) if(group.equals(principal.toString())) {
{
throw new IllegalArgumentException(); throw new IllegalArgumentException();
} else } else {
{
groupMembers.addElement(principal); groupMembers.addElement(principal);
return true; return true;
} }
} }
public boolean removeMember(Principal principal) public boolean removeMember(Principal principal) {
{
return groupMembers.removeElement(principal); return groupMembers.removeElement(principal);
} }
public Enumeration members() public Enumeration members() {
{
return groupMembers.elements(); return groupMembers.elements();
} }
1 In the left column, the same two declarations appear at the end of the class definition.
GroupImpl synopsis -- page 2 of 5
public boolean equals(Object obj) public boolean equals(Object obj) {
{
if(this == obj) if(this == obj)
return true; return true;
if(!(obj instanceof Group)) if(!(obj instanceof Group)) {
{
return false; return false;
} else } else {
{
Group group1 = (Group)obj; Group group1 = (Group)obj;
return group.equals(group1.toString()); return group.equals(group1.toString());
} }
} }
public boolean equals(Group group1) public boolean equals(Group group1) {
{
return equals(group1); return equals(group1);
} }
public String toString() public String toString() {
{
return group; return group;
} }
public int hashCode() public int hashCode() {
{
return group.hashCode(); return group.hashCode();
} }
public boolean isMember(Principal principal) public boolean isMember(Principal principal) {
{
if(groupMembers.contains(principal)) if(groupMembers.contains(principal)) {
{
return true; return true;
} else } else {
{
Vector vector = new Vector(10); Vector vector = new Vector(10);
return isMemberRecurse(principal, vector); return isMemberRecurse(principal, vector);
GroupImpl synopsis -- page 3 of 5
} }
} }
public String getName() public String getName() {
{
return group; return group;
} }
boolean isMemberRecurse(Principal principal, boolean isMemberRecurse(Principal principal,
Vector vector) Vector vector) {
{
for(Enumeration enumeration = members(); for(Enumeration enumeration = members();
enumeration.hasMoreElements();) enumeration.hasMoreElements();) {
{
boolean flag = false; boolean flag = false;
Principal principal1 = Principal principal1 =
(Principal)enumeration.nextElement(); (Principal)enumeration.nextElement();
if(principal1.equals(principal)) if(principal1.equals(principal))
return true; return true;
if(principal1 instanceof GroupImpl) if(principal1 instanceof GroupImpl) {
{
GroupImpl groupimpl = GroupImpl groupimpl =
(GroupImpl)principal1; (GroupImpl)principal1;
vector.addElement(this); vector.addElement(this);
if(!vector.contains(groupimpl)) if(!vector.contains(groupimpl))
flag = flag =
groupimpl.isMemberRecurse(principal, groupimpl.isMemberRecurse(principal,
vector); vector);
} else
if(principal1 instanceof Group) } else if(principal1 instanceof Group) {
{
Group group1 = (Group)principal1; Group group1 = (Group)principal1;
if(!vector.contains(group1)) if(!vector.contains(group1)) flag =
flag = group1.isMember(principal); group1.isMember(principal);
} }
if(flag) if(flag) return flag;
return flag; }
}
GroupImpl synopsis -- page 4 of 5
return false; return false;
} }
}
private Vector groupMembers;
private String group;
}
GroupImpl synopsis -- page 5 of 5
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