Reformat code.

This commit is contained in:
Ben Alex 2006-01-27 04:42:15 +00:00
parent e675c89e28
commit 449e395181

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@ -1,4 +1,4 @@
/* Copyright 2004, 2005 Acegi Technology Pty Limited /* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. * you may not use this file except in compliance with the License.
@ -138,336 +138,320 @@ public class JdbcDaoImpl extends JdbcDaoSupport implements BasicAclDao {
entry.setAclObjectIdentity(propertiesInformation.getAclObjectIdentity()); entry.setAclObjectIdentity(propertiesInformation.getAclObjectIdentity());
entry.setAclObjectParentIdentity(propertiesInformation entry.setAclObjectParentIdentity(propertiesInformation
.getAclObjectParentIdentity()); .getAclObjectParentIdentity());
if (aclInformation == null) { if (aclInformation == null) {
// this is an inheritence marker instance only // this is an inheritence marker instance only
entry.setMask(0); entry.setMask(0);
entry.setRecipient(RECIPIENT_USED_FOR_INHERITENCE_MARKER); entry.setRecipient(RECIPIENT_USED_FOR_INHERITENCE_MARKER);
} else { } else {
// this is an individual ACL entry // this is an individual ACL entry
entry.setMask(aclInformation.getMask()); entry.setMask(aclInformation.getMask());
entry.setRecipient(aclInformation.getRecipient()); entry.setRecipient(aclInformation.getRecipient());
}
return entry;
}
/**
* Returns the ACLs associated with the requested
* <code>AclObjectIdentity</code>.
*
* <P>
* The {@link BasicAclEntry}s returned by this method will have
* <code>String</code>-based recipients. This will not be a problem if you
* are using the <code>GrantedAuthorityEffectiveAclsResolver</code>, which
* is the default configured against <code>BasicAclProvider</code>.
* </p>
*
* <P>
* This method will only return ACLs for requests where the
* <code>AclObjectIdentity</code> is of type {@link
* NamedEntityObjectIdentity}. Of course, you can subclass or replace this
* class and support your own custom <code>AclObjectIdentity</code> types.
* </p>
*
* @param aclObjectIdentity for which ACL information is required (cannot
* be <code>null</code> and must be an instance of
* <code>NamedEntityObjectIdentity</code>)
*
* @return the ACLs that apply (without any <code>null</code>s inside the
* array), or <code>null</code> if not found or if an incompatible
* <code>AclObjectIdentity</code> was requested
*/
public BasicAclEntry[] getAcls(AclObjectIdentity aclObjectIdentity) {
String aclObjectIdentityString;
try {
aclObjectIdentityString = convertAclObjectIdentityToString(aclObjectIdentity);
} catch (IllegalArgumentException unsupported) {
return null; // pursuant to contract described in JavaDocs above
}
// Lookup the object's main properties from the RDBMS (guaranteed no nulls)
List objects = objectProperties.execute(aclObjectIdentityString);
if (objects.size() == 0) {
// this is an unknown object identity string
return null;
}
// Cast to an object properties holder (there should only be one record)
AclDetailsHolder propertiesInformation = (AclDetailsHolder) objects.get(0);
// Lookup the object's ACLs from RDBMS (guaranteed no nulls)
List acls = aclsByObjectIdentity.execute(propertiesInformation
.getForeignKeyId());
if (acls.size() == 0) {
// return merely an inheritence marker (as we know about the object but it has no related ACLs)
return new BasicAclEntry[] {createBasicAclEntry(propertiesInformation,
null)};
} else {
// return the individual ACL instances
AclDetailsHolder[] aclHolders = (AclDetailsHolder[]) acls.toArray(new AclDetailsHolder[] {});
List toReturnAcls = new Vector();
for (int i = 0; i < aclHolders.length; i++) {
toReturnAcls.add(createBasicAclEntry(propertiesInformation,
aclHolders[i]));
} }
return entry; return (BasicAclEntry[]) toReturnAcls.toArray(new BasicAclEntry[] {});
}
}
public MappingSqlQuery getAclsByObjectIdentity() {
return aclsByObjectIdentity;
}
public String getAclsByObjectIdentityQuery() {
return aclsByObjectIdentityQuery;
}
public String getObjectPropertiesQuery() {
return objectPropertiesQuery;
}
protected void initDao() throws ApplicationContextException {
initMappingSqlQueries();
}
/**
* Extension point to allow other MappingSqlQuery objects to be substituted
* in a subclass
*/
protected void initMappingSqlQueries() {
setAclsByObjectIdentity(new AclsByObjectIdentityMapping(getDataSource()));
setObjectProperties(new ObjectPropertiesMapping(getDataSource()));
}
public void setAclsByObjectIdentity(
MappingSqlQuery aclsByObjectIdentityQuery) {
this.aclsByObjectIdentity = aclsByObjectIdentityQuery;
}
/**
* Allows the default query string used to retrieve ACLs based on object
* identity to be overriden, if default table or column names need to be
* changed. The default query is {@link
* #DEF_ACLS_BY_OBJECT_IDENTITY_QUERY}; when modifying this query, ensure
* that all returned columns are mapped back to the same column names as
* in the default query.
*
* @param queryString The query string to set
*/
public void setAclsByObjectIdentityQuery(String queryString) {
aclsByObjectIdentityQuery = queryString;
}
public void setObjectProperties(MappingSqlQuery objectPropertiesQuery) {
this.objectProperties = objectPropertiesQuery;
}
public void setObjectPropertiesQuery(String queryString) {
objectPropertiesQuery = queryString;
}
//~ Inner Classes ==========================================================
/**
* Used to hold details of a domain object instance's properties, or an
* individual ACL entry.
*
* <P>
* Not all properties will be set. The actual properties set will depend on
* which <code>MappingSqlQuery</code> creates the object.
* </p>
*
* <P>
* Does not enforce <code>null</code>s or empty <code>String</code>s as
* this is performed by the <code>MappingSqlQuery</code> objects (or
* preferably the backend RDBMS via schema constraints).
* </p>
*/
protected final class AclDetailsHolder {
private AclObjectIdentity aclObjectIdentity;
private AclObjectIdentity aclObjectParentIdentity;
private Class aclClass;
private Object recipient;
private int mask;
private long foreignKeyId;
/**
* Record details of an individual ACL entry (usually from the
* ACL_PERMISSION table)
*
* @param recipient the recipient
* @param mask the integer to be masked
*/
public AclDetailsHolder(Object recipient, int mask) {
this.recipient = recipient;
this.mask = mask;
} }
/** /**
* Returns the ACLs associated with the requested * Record details of a domain object instance's properties (usually
* <code>AclObjectIdentity</code>. * from the ACL_OBJECT_IDENTITY table)
* *
* <P> * @param foreignKeyId used by the
* The {@link BasicAclEntry}s returned by this method will have * <code>AclsByObjectIdentityMapping</code> to locate the
* <code>String</code>-based recipients. This will not be a problem if * individual ACL entries
* you are using the * @param aclObjectIdentity the object identity of the domain object
* <code>GrantedAuthorityEffectiveAclsResolver</code>, which is the * instance
* default configured against <code>BasicAclProvider</code>. * @param aclObjectParentIdentity the object identity of the domain
* </p> * object instance's parent
* * @param aclClass the class of which a new instance which should be
* <P> * created for each individual ACL entry (or an inheritence
* This method will only return ACLs for requests where the * "holder" class if there are no ACL entries)
* <code>AclObjectIdentity</code> is of type {@link
* NamedEntityObjectIdentity}. Of course, you can subclass or replace
* this class and support your own custom
* <code>AclObjectIdentity</code> types.
* </p>
*
* @param aclObjectIdentity for which ACL information is required
* (cannot be <code>null</code> and must be an instance of
* <code>NamedEntityObjectIdentity</code>)
*
* @return the ACLs that apply (without any <code>null</code>s inside
* the array), or <code>null</code> if not found or if an
* incompatible <code>AclObjectIdentity</code> was requested
*/ */
public BasicAclEntry[] getAcls(AclObjectIdentity aclObjectIdentity) { public AclDetailsHolder(long foreignKeyId,
String aclObjectIdentityString; AclObjectIdentity aclObjectIdentity,
AclObjectIdentity aclObjectParentIdentity, Class aclClass) {
this.foreignKeyId = foreignKeyId;
this.aclObjectIdentity = aclObjectIdentity;
this.aclObjectParentIdentity = aclObjectParentIdentity;
this.aclClass = aclClass;
}
try { public Class getAclClass() {
aclObjectIdentityString = convertAclObjectIdentityToString(aclObjectIdentity); return aclClass;
} catch (IllegalArgumentException unsupported) { }
return null; // pursuant to contract described in JavaDocs above
}
// Lookup the object's main properties from the RDBMS (guaranteed no nulls) public AclObjectIdentity getAclObjectIdentity() {
List objects = objectProperties.execute(aclObjectIdentityString); return aclObjectIdentity;
}
if (objects.size() == 0) { public AclObjectIdentity getAclObjectParentIdentity() {
// this is an unknown object identity string return aclObjectParentIdentity;
}
public long getForeignKeyId() {
return foreignKeyId;
}
public int getMask() {
return mask;
}
public Object getRecipient() {
return recipient;
}
}
/**
* Query object to look up individual ACL entries.
*
* <P>
* Returns the generic <code>AclDetailsHolder</code> object.
* </p>
*
* <P>
* Guarantees to never return <code>null</code> (exceptions are thrown in
* the event of any issues).
* </p>
*
* <P>
* The executed SQL requires the following information be made available
* from the indicated placeholders: 1. RECIPIENT, 2. MASK.
* </p>
*/
protected class AclsByObjectIdentityMapping extends MappingSqlQuery {
protected AclsByObjectIdentityMapping(DataSource ds) {
super(ds, aclsByObjectIdentityQuery);
declareParameter(new SqlParameter(Types.BIGINT));
compile();
}
protected Object mapRow(ResultSet rs, int rownum)
throws SQLException {
String recipient = rs.getString(1);
int mask = rs.getInt(2);
Assert.hasText(recipient, "recipient required");
return new AclDetailsHolder(recipient, mask);
}
}
/**
* Query object to look up properties for an object identity.
*
* <P>
* Returns the generic <code>AclDetailsHolder</code> object.
* </p>
*
* <P>
* Guarantees to never return <code>null</code> (exceptions are thrown in
* the event of any issues).
* </p>
*
* <P>
* The executed SQL requires the following information be made available
* from the indicated placeholders: 1. ID, 2. OBJECT_IDENTITY, 3.
* ACL_CLASS and 4. PARENT_OBJECT_IDENTITY.
* </p>
*/
protected class ObjectPropertiesMapping extends MappingSqlQuery {
protected ObjectPropertiesMapping(DataSource ds) {
super(ds, objectPropertiesQuery);
declareParameter(new SqlParameter(Types.VARCHAR));
compile();
}
private AclObjectIdentity buildIdentity(String identity) {
if (identity == null) {
// Must be an empty parent, so return null
return null; return null;
} }
// Cast to an object properties holder (there should only be one record) int delim = identity.lastIndexOf(":");
AclDetailsHolder propertiesInformation = (AclDetailsHolder) objects String classname = identity.substring(0, delim);
.get(0); String id = identity.substring(delim + 1);
// Lookup the object's ACLs from RDBMS (guaranteed no nulls) return new NamedEntityObjectIdentity(classname, id);
List acls = aclsByObjectIdentity.execute(propertiesInformation }
.getForeignKeyId());
if (acls.size() == 0) { protected Object mapRow(ResultSet rs, int rownum)
// return merely an inheritence marker (as we know about the object but it has no related ACLs) throws SQLException {
return new BasicAclEntry[] {createBasicAclEntry(propertiesInformation, long id = rs.getLong(1); // required
null)}; String objectIdentity = rs.getString(2); // required
} else { String aclClass = rs.getString(3); // required
// return the individual ACL instances String parentObjectIdentity = rs.getString(4); // optional
AclDetailsHolder[] aclHolders = (AclDetailsHolder[]) acls Assert.hasText(objectIdentity,
.toArray(new AclDetailsHolder[] {}); "required DEF_OBJECT_PROPERTIES_QUERY value (objectIdentity) returned null or empty");
List toReturnAcls = new Vector(); Assert.hasText(aclClass,
"required DEF_OBJECT_PROPERTIES_QUERY value (aclClass) returned null or empty");
for (int i = 0; i < aclHolders.length; i++) { Class aclClazz;
toReturnAcls.add(createBasicAclEntry(
propertiesInformation, aclHolders[i]));
}
return (BasicAclEntry[]) toReturnAcls.toArray(new BasicAclEntry[] {}); try {
} aclClazz = this.getClass().getClassLoader().loadClass(aclClass);
} } catch (ClassNotFoundException cnf) {
throw new IllegalArgumentException(cnf.getMessage());
public MappingSqlQuery getAclsByObjectIdentity() {
return aclsByObjectIdentity;
}
public String getAclsByObjectIdentityQuery() {
return aclsByObjectIdentityQuery;
}
public String getObjectPropertiesQuery() {
return objectPropertiesQuery;
}
protected void initDao() throws ApplicationContextException {
initMappingSqlQueries();
}
/**
* Extension point to allow other MappingSqlQuery objects to be
* substituted in a subclass
*/
protected void initMappingSqlQueries() {
setAclsByObjectIdentity(new AclsByObjectIdentityMapping(
getDataSource()));
setObjectProperties(new ObjectPropertiesMapping(
getDataSource()));
}
public void setAclsByObjectIdentity(
MappingSqlQuery aclsByObjectIdentityQuery) {
this.aclsByObjectIdentity = aclsByObjectIdentityQuery;
}
/**
* Allows the default query string used to retrieve ACLs based
* on object identity to be overriden, if default table or
* column names need to be changed. The default query is
* {@link #DEF_ACLS_BY_OBJECT_IDENTITY_QUERY}; when modifying
* this query, ensure that all returned columns are mapped
* back to the same column names as in the default query.
*
* @param queryString The query string to set
*/
public void setAclsByObjectIdentityQuery(String queryString) {
aclsByObjectIdentityQuery = queryString;
}
public void setObjectProperties(
MappingSqlQuery objectPropertiesQuery) {
this.objectProperties = objectPropertiesQuery;
}
public void setObjectPropertiesQuery(String queryString) {
objectPropertiesQuery = queryString;
}
//~ Inner Classes ==========================================================
/**
* Used to hold details of a domain object instance's
* properties, or an individual ACL entry.
*
* <P>
* Not all properties will be set. The actual properties set
* will depend on which <code>MappingSqlQuery</code> creates
* the object.
* </p>
*
* <P>
* Does not enforce <code>null</code>s or empty
* <code>String</code>s as this is performed by the
* <code>MappingSqlQuery</code> objects (or preferably the
* backend RDBMS via schema constraints).
* </p>
*/
protected final class AclDetailsHolder {
private AclObjectIdentity aclObjectIdentity;
private AclObjectIdentity aclObjectParentIdentity;
private Class aclClass;
private Object recipient;
private int mask;
private long foreignKeyId;
/**
* Record details of an individual ACL entry (usually from
* the ACL_PERMISSION table)
*
* @param recipient the recipient
* @param mask the integer to be masked
*/
public AclDetailsHolder(Object recipient, int mask) {
this.recipient = recipient;
this.mask = mask;
}
/**
* Record details of a domain object instance's properties
* (usually from the ACL_OBJECT_IDENTITY table)
*
* @param foreignKeyId used by the
* <code>AclsByObjectIdentityMapping</code> to
* locate the individual ACL entries
* @param aclObjectIdentity the object identity of the
* domain object instance
* @param aclObjectParentIdentity the object identity of
* the domain object instance's parent
* @param aclClass the class of which a new instance which
* should be created for each individual ACL entry
* (or an inheritence "holder" class if there are
* no ACL entries)
*/
public AclDetailsHolder(long foreignKeyId,
AclObjectIdentity aclObjectIdentity,
AclObjectIdentity aclObjectParentIdentity,
Class aclClass) {
this.foreignKeyId = foreignKeyId;
this.aclObjectIdentity = aclObjectIdentity;
this.aclObjectParentIdentity = aclObjectParentIdentity;
this.aclClass = aclClass;
}
public Class getAclClass() {
return aclClass;
}
public AclObjectIdentity getAclObjectIdentity() {
return aclObjectIdentity;
}
public AclObjectIdentity getAclObjectParentIdentity() {
return aclObjectParentIdentity;
}
public long getForeignKeyId() {
return foreignKeyId;
}
public int getMask() {
return mask;
}
public Object getRecipient() {
return recipient;
}
}
/**
* Query object to look up individual ACL entries.
*
* <P>
* Returns the generic <code>AclDetailsHolder</code> object.
* </p>
*
* <P>
* Guarantees to never return <code>null</code> (exceptions are
* thrown in the event of any issues).
* </p>
*
* <P>
* The executed SQL requires the following information be made
* available from the indicated placeholders: 1. RECIPIENT, 2.
* MASK.
* </p>
*/
protected class AclsByObjectIdentityMapping
extends MappingSqlQuery {
protected AclsByObjectIdentityMapping(DataSource ds) {
super(ds, aclsByObjectIdentityQuery);
declareParameter(new SqlParameter(Types.BIGINT));
compile();
}
protected Object mapRow(ResultSet rs, int rownum)
throws SQLException {
String recipient = rs.getString(1);
int mask = rs.getInt(2);
Assert.hasText(recipient, "recipient required");
return new AclDetailsHolder(recipient, mask);
}
}
/**
* Query object to look up properties for an object identity.
*
* <P>
* Returns the generic <code>AclDetailsHolder</code> object.
* </p>
*
* <P>
* Guarantees to never return <code>null</code> (exceptions are
* thrown in the event of any issues).
* </p>
*
* <P>
* The executed SQL requires the following information be made
* available from the indicated placeholders: 1. ID, 2.
* OBJECT_IDENTITY, 3. ACL_CLASS and 4.
* PARENT_OBJECT_IDENTITY.
* </p>
*/
protected class ObjectPropertiesMapping extends MappingSqlQuery {
protected ObjectPropertiesMapping(DataSource ds) {
super(ds, objectPropertiesQuery);
declareParameter(new SqlParameter(Types.VARCHAR));
compile();
}
private AclObjectIdentity buildIdentity(String identity) {
if (identity == null) {
// Must be an empty parent, so return null
return null;
}
int delim = identity.lastIndexOf(":");
String classname = identity.substring(0, delim);
String id = identity.substring(delim + 1);
return new NamedEntityObjectIdentity(classname, id);
}
protected Object mapRow(ResultSet rs, int rownum)
throws SQLException {
long id = rs.getLong(1); // required
String objectIdentity = rs.getString(2); // required
String aclClass = rs.getString(3); // required
String parentObjectIdentity = rs.getString(4); // optional
Assert.hasText(objectIdentity,
"required DEF_OBJECT_PROPERTIES_QUERY value (objectIdentity) returned null or empty");
Assert.hasText(aclClass,
"required DEF_OBJECT_PROPERTIES_QUERY value (aclClass) returned null or empty");
Class aclClazz;
try {
aclClazz = this.getClass().getClassLoader()
.loadClass(aclClass);
} catch (ClassNotFoundException cnf) {
throw new IllegalArgumentException(cnf.getMessage());
}
return new AclDetailsHolder(id,
buildIdentity(objectIdentity),
buildIdentity(parentObjectIdentity), aclClazz);
}
}
} }
return new AclDetailsHolder(id, buildIdentity(objectIdentity),
buildIdentity(parentObjectIdentity), aclClazz);
}
}
}