import org.eclipse.core.runtime.IProgressMonitor;
/**
- * This class provides a <code>SearchableBuilderEnvironment</code> for code assist which
- * uses the Java model as a search tool.
+ * This class provides a <code>SearchableBuilderEnvironment</code> for code
+ * assist which uses the Java model as a search tool.
*/
-public class SearchableEnvironment implements ISearchableNameEnvironment, IJavaSearchConstants {
- protected NameLookup nameLookup;
- protected ICompilationUnit unitToSkip;
+public class SearchableEnvironment implements ISearchableNameEnvironment,
+ IJavaSearchConstants {
+ protected NameLookup nameLookup;
- protected IJavaProject project;
- //protected IJavaSearchScope searchScope;
+ protected ICompilationUnit unitToSkip;
+
+ protected IJavaProject project;
+
+ // protected IJavaSearchScope searchScope;
/**
- * Creates a Sea
- /**
- * Creates a SearchableEnvironment on the given project
- */
- public SearchableEnvironment(IJavaProject project) throws JavaModelException {
- this.project = project;
- this.nameLookup = (NameLookup) ((JavaProject) project).getNameLookup();
-
- // Create search scope with visible entry on the project's classpath
- // this.searchScope = SearchEngine.createJavaSearchScope(this.project.getAllPackageFragmentRoots());
- }
-
-
+ * Creates a Sea /** Creates a SearchableEnvironment on the given project
+ */
+ public SearchableEnvironment(IJavaProject project)
+ throws JavaModelException {
+ this.project = project;
+ this.nameLookup = (NameLookup) ((JavaProject) project).getNameLookup();
+
+ // Create search scope with visible entry on the project's classpath
+ // this.searchScope =
+ // SearchEngine.createJavaSearchScope(this.project.getAllPackageFragmentRoots());
+ }
/**
* Creates a SearchableEnvironment on the given project
*/
- public SearchableEnvironment(JavaProject project, WorkingCopyOwner owner) throws JavaModelException {
+ public SearchableEnvironment(JavaProject project, WorkingCopyOwner owner)
+ throws JavaModelException {
this.project = project;
this.nameLookup = project.newNameLookup(owner);
// Create search scope with visible entry on the project's classpath
-// this.searchScope = SearchEngine.createJavaSearchScope(this.project.getAllPackageFragmentRoots());
+ // this.searchScope =
+ // SearchEngine.createJavaSearchScope(this.project.getAllPackageFragmentRoots());
+ }
+
+ /**
+ * Returns the given type in the the given package if it exists, otherwise
+ * <code>null</code>.
+ */
+ protected NameEnvironmentAnswer find(String typeName, String packageName) {
+ if (packageName == null)
+ packageName = IPackageFragment.DEFAULT_PACKAGE_NAME;
+
+ if (this.nameLookup != null) { // ins axelcl
+ IType type = this.nameLookup.findType(typeName, packageName, false,
+ NameLookup.ACCEPT_CLASSES | NameLookup.ACCEPT_INTERFACES);
+ if (type != null) {
+ // if (type instanceof BinaryType) {
+ // try {
+ // return new NameEnvironmentAnswer(
+ // (IBinaryType) ((BinaryType) type).getElementInfo());
+ // } catch (JavaModelException npe) {
+ // return null;
+ // }
+ // } else { //SourceType
+ try {
+ // retrieve the requested type
+ SourceTypeElementInfo sourceType = (SourceTypeElementInfo) ((SourceType) type)
+ .getElementInfo();
+ ISourceType topLevelType = sourceType;
+ while (topLevelType.getEnclosingType() != null) {
+ topLevelType = topLevelType.getEnclosingType();
+ }
+ // find all siblings (other types declared in same unit,
+ // since may be used for name resolution)
+ IType[] types = sourceType.getHandle().getCompilationUnit()
+ .getTypes();
+ ISourceType[] sourceTypes = new ISourceType[types.length];
+
+ // in the resulting collection, ensure the requested type is
+ // the first one
+ sourceTypes[0] = sourceType;
+ for (int i = 0, index = 1; i < types.length; i++) {
+ ISourceType otherType = (ISourceType) ((JavaElement) types[i])
+ .getElementInfo();
+ if (!otherType.equals(topLevelType))
+ sourceTypes[index++] = otherType;
+ }
+ return new NameEnvironmentAnswer(sourceTypes);
+ } catch (JavaModelException npe) {
+ return null;
+ }
+ // }
+ }
+ }
+ return null;
+ }
+
+ /**
+ * @see ISearchableNameEnvironment#findPackages(char[], ISearchRequestor)
+ */
+ public void findPackages(char[] prefix, ISearchRequestor requestor) {
+ // this.nameLookup.seekPackageFragments(
+ // new String(prefix),
+ // true,
+ // new SearchableEnvironmentRequestor(requestor));
+ }
+
+ /**
+ * @see INameEnvironment#findType(char[][])
+ */
+ public NameEnvironmentAnswer findType(char[][] compoundTypeName) {
+ if (compoundTypeName == null)
+ return null;
+
+ int length = compoundTypeName.length;
+ if (length <= 1) {
+ if (length == 0)
+ return null;
+ return find(new String(compoundTypeName[0]), null);
+ }
+
+ int lengthM1 = length - 1;
+ char[][] packageName = new char[lengthM1][];
+ System.arraycopy(compoundTypeName, 0, packageName, 0, lengthM1);
+
+ return find(new String(compoundTypeName[lengthM1]), CharOperation
+ .toString(packageName));
+ }
+
+ /**
+ * @see INameEnvironment#findType(char[], char[][])
+ */
+ public NameEnvironmentAnswer findType(char[] name, char[][] packageName) {
+ if (name == null)
+ return null;
+
+ return find(new String(name), packageName == null
+ || packageName.length == 0 ? null : CharOperation
+ .toString(packageName));
+ }
+
+ /**
+ * @see ISearchableNameEnvironment#findTypes(char[], ISearchRequestor)
+ */
+ public void findTypes(char[] prefix, final ISearchRequestor storage) {
+
+ /*
+ * if (true){ findTypes(new String(prefix), storage,
+ * NameLookup.ACCEPT_CLASSES | NameLookup.ACCEPT_INTERFACES); return; }
+ */
+ // try {
+ final String excludePath;
+ if (this.unitToSkip != null) {
+ if (!(this.unitToSkip instanceof IJavaElement)) {
+ // revert to model investigation
+ findTypes(new String(prefix), storage,
+ NameLookup.ACCEPT_CLASSES
+ | NameLookup.ACCEPT_INTERFACES);
+ return;
+ }
+ excludePath = ((IJavaElement) this.unitToSkip).getPath().toString();
+ } else {
+ excludePath = null;
+ }
+ int lastDotIndex = CharOperation.lastIndexOf('.', prefix);
+ char[] qualification, simpleName;
+ if (lastDotIndex < 0) {
+ qualification = null;
+ simpleName = CharOperation.toLowerCase(prefix);
+ } else {
+ qualification = CharOperation.subarray(prefix, 0, lastDotIndex);
+ simpleName = CharOperation.toLowerCase(CharOperation.subarray(
+ prefix, lastDotIndex + 1, prefix.length));
+ }
+
+ IProgressMonitor progressMonitor = new IProgressMonitor() {
+ boolean isCanceled = false;
+
+ public void beginTask(String name, int totalWork) {
+ }
+
+ public void done() {
+ }
+
+ public void internalWorked(double work) {
+ }
+
+ public boolean isCanceled() {
+ return isCanceled;
+ }
+
+ public void setCanceled(boolean value) {
+ isCanceled = value;
+ }
+
+ public void setTaskName(String name) {
+ }
+
+ public void subTask(String name) {
+ }
+
+ public void worked(int work) {
+ }
+ };
+ ITypeNameRequestor nameRequestor = new ITypeNameRequestor() {
+ public void acceptClass(char[] packageName, char[] simpleTypeName,
+ char[][] enclosingTypeNames, String path) {
+ if (excludePath != null && excludePath.equals(path))
+ return;
+ if (enclosingTypeNames != null && enclosingTypeNames.length > 0)
+ return; // accept only top level types
+ storage.acceptClass(packageName, simpleTypeName,
+ IConstants.AccPublic);
+ }
+
+ public void acceptInterface(char[] packageName,
+ char[] simpleTypeName, char[][] enclosingTypeNames,
+ String path) {
+ if (excludePath != null && excludePath.equals(path))
+ return;
+ if (enclosingTypeNames != null && enclosingTypeNames.length > 0)
+ return; // accept only top level types
+ storage.acceptInterface(packageName, simpleTypeName,
+ IConstants.AccPublic);
+ }
+ };
+ // try {
+ // new SearchEngine().searchAllTypeNames(
+ // this.project.getProject().getWorkspace(),
+ // qualification,
+ // simpleName,
+ // PREFIX_MATCH,
+ // CASE_INSENSITIVE,
+ // IJavaSearchConstants.TYPE,
+ // this.searchScope,
+ // nameRequestor,
+ // CANCEL_IF_NOT_READY_TO_SEARCH,
+ // progressMonitor);
+ // } catch (OperationCanceledException e) {
+ // findTypes(
+ // new String(prefix),
+ // storage,
+ // NameLookup.ACCEPT_CLASSES | NameLookup.ACCEPT_INTERFACES);
+ // }
+ // } catch (JavaModelException e) {
+ // findTypes(
+ // new String(prefix),
+ // storage,
+ // NameLookup.ACCEPT_CLASSES | NameLookup.ACCEPT_INTERFACES);
+ // }
+ }
+
+ /**
+ * Returns all types whose name starts with the given (qualified)
+ * <code>prefix</code>.
+ *
+ * If the <code>prefix</code> is unqualified, all types whose simple name
+ * matches the <code>prefix</code> are returned.
+ */
+ private void findTypes(String prefix, ISearchRequestor storage, int type) {
+ SearchableEnvironmentRequestor requestor = new SearchableEnvironmentRequestor(
+ storage, this.unitToSkip);
+ int index = prefix.lastIndexOf('.');
+ if (index == -1) {
+ this.nameLookup.seekTypes(prefix, null, true, type, requestor);
+ } else {
+ String packageName = prefix.substring(0, index);
+ JavaElementRequestor elementRequestor = new JavaElementRequestor();
+ this.nameLookup.seekPackageFragments(packageName, false,
+ elementRequestor);
+ IPackageFragment[] fragments = elementRequestor
+ .getPackageFragments();
+ if (fragments != null) {
+ String className = prefix.substring(index + 1);
+ for (int i = 0, length = fragments.length; i < length; i++)
+ if (fragments[i] != null)
+ this.nameLookup.seekTypes(className, fragments[i],
+ true, type, requestor);
+ }
+ }
+ }
+
+ /**
+ * @see INameEnvironment#isPackage(char[][], char[])
+ */
+ public boolean isPackage(char[][] parentPackageName, char[] subPackageName) {
+ if (subPackageName == null
+ || CharOperation.contains('.', subPackageName))
+ return false;
+ if (parentPackageName == null || parentPackageName.length == 0)
+ return isTopLevelPackage(subPackageName);
+ for (int i = 0, length = parentPackageName.length; i < length; i++)
+ if (parentPackageName[i] == null
+ || CharOperation.contains('.', parentPackageName[i]))
+ return false;
+
+ String packageName = new String(CharOperation.concatWith(
+ parentPackageName, subPackageName, '.'));
+ return this.nameLookup.findPackageFragments(packageName, false) != null;
+ }
+
+ public boolean isTopLevelPackage(char[] packageName) {
+ return packageName != null
+ && !CharOperation.contains('.', packageName)
+ && this.nameLookup.findPackageFragments(
+ new String(packageName), false) != null;
+ }
+
+ /**
+ * Returns a printable string for the array.
+ */
+ protected String toStringChar(char[] name) {
+ return "[" //$NON-NLS-1$
+ + new String(name) + "]"; //$NON-NLS-1$
+ }
+
+ /**
+ * Returns a printable string for the array.
+ */
+ protected String toStringCharChar(char[][] names) {
+ StringBuffer result = new StringBuffer();
+ for (int i = 0; i < names.length; i++) {
+ result.append(toStringChar(names[i]));
+ }
+ return result.toString();
+ }
+
+ public void cleanup() {
}
- /**
- * Returns the given type in the the given package if it exists,
- * otherwise <code>null</code>.
- */
- protected NameEnvironmentAnswer find(String typeName, String packageName) {
- if (packageName == null)
- packageName = IPackageFragment.DEFAULT_PACKAGE_NAME;
-
- if (this.nameLookup!=null) { // ins axelcl
- IType type = this.nameLookup.findType(typeName, packageName, false, NameLookup.ACCEPT_CLASSES | NameLookup.ACCEPT_INTERFACES);
- if (type != null) {
- // if (type instanceof BinaryType) {
- // try {
- // return new NameEnvironmentAnswer(
- // (IBinaryType) ((BinaryType) type).getElementInfo());
- // } catch (JavaModelException npe) {
- // return null;
- // }
- // } else { //SourceType
- try {
- // retrieve the requested type
- SourceTypeElementInfo sourceType = (SourceTypeElementInfo) ((SourceType) type).getElementInfo();
- ISourceType topLevelType = sourceType;
- while (topLevelType.getEnclosingType() != null) {
- topLevelType = topLevelType.getEnclosingType();
- }
- // find all siblings (other types declared in same unit, since may be used for name resolution)
- IType[] types = sourceType.getHandle().getCompilationUnit().getTypes();
- ISourceType[] sourceTypes = new ISourceType[types.length];
-
- // in the resulting collection, ensure the requested type is the first one
- sourceTypes[0] = sourceType;
- for (int i = 0, index = 1; i < types.length; i++) {
- ISourceType otherType = (ISourceType) ((JavaElement) types[i]).getElementInfo();
- if (!otherType.equals(topLevelType))
- sourceTypes[index++] = otherType;
- }
- return new NameEnvironmentAnswer(sourceTypes);
- } catch (JavaModelException npe) {
- return null;
- }
- // }
- }
- }
- return null;
- }
-
- /**
- * @see ISearchableNameEnvironment#findPackages(char[], ISearchRequestor)
- */
- public void findPackages(char[] prefix, ISearchRequestor requestor) {
- // this.nameLookup.seekPackageFragments(
- // new String(prefix),
- // true,
- // new SearchableEnvironmentRequestor(requestor));
- }
-
- /**
- * @see INameEnvironment#findType(char[][])
- */
- public NameEnvironmentAnswer findType(char[][] compoundTypeName) {
- if (compoundTypeName == null)
- return null;
-
- int length = compoundTypeName.length;
- if (length <= 1) {
- if (length == 0)
- return null;
- return find(new String(compoundTypeName[0]), null);
- }
-
- int lengthM1 = length - 1;
- char[][] packageName = new char[lengthM1][];
- System.arraycopy(compoundTypeName, 0, packageName, 0, lengthM1);
-
- return find(new String(compoundTypeName[lengthM1]), CharOperation.toString(packageName));
- }
-
- /**
- * @see INameEnvironment#findType(char[], char[][])
- */
- public NameEnvironmentAnswer findType(char[] name, char[][] packageName) {
- if (name == null)
- return null;
-
- return find(new String(name), packageName == null || packageName.length == 0 ? null : CharOperation.toString(packageName));
- }
-
- /**
- * @see ISearchableNameEnvironment#findTypes(char[], ISearchRequestor)
- */
- public void findTypes(char[] prefix, final ISearchRequestor storage) {
-
- /*
- if (true){
- findTypes(new String(prefix), storage, NameLookup.ACCEPT_CLASSES | NameLookup.ACCEPT_INTERFACES);
- return;
- }
- */
- // try {
- final String excludePath;
- if (this.unitToSkip != null) {
- if (!(this.unitToSkip instanceof IJavaElement)) {
- // revert to model investigation
- findTypes(new String(prefix), storage, NameLookup.ACCEPT_CLASSES | NameLookup.ACCEPT_INTERFACES);
- return;
- }
- excludePath = ((IJavaElement) this.unitToSkip).getPath().toString();
- } else {
- excludePath = null;
- }
- int lastDotIndex = CharOperation.lastIndexOf('.', prefix);
- char[] qualification, simpleName;
- if (lastDotIndex < 0) {
- qualification = null;
- simpleName = CharOperation.toLowerCase(prefix);
- } else {
- qualification = CharOperation.subarray(prefix, 0, lastDotIndex);
- simpleName = CharOperation.toLowerCase(CharOperation.subarray(prefix, lastDotIndex + 1, prefix.length));
- }
-
- IProgressMonitor progressMonitor = new IProgressMonitor() {
- boolean isCanceled = false;
- public void beginTask(String name, int totalWork) {
- }
- public void done() {
- }
- public void internalWorked(double work) {
- }
- public boolean isCanceled() {
- return isCanceled;
- }
- public void setCanceled(boolean value) {
- isCanceled = value;
- }
- public void setTaskName(String name) {
- }
- public void subTask(String name) {
- }
- public void worked(int work) {
- }
- };
- ITypeNameRequestor nameRequestor = new ITypeNameRequestor() {
- public void acceptClass(char[] packageName, char[] simpleTypeName, char[][] enclosingTypeNames, String path) {
- if (excludePath != null && excludePath.equals(path))
- return;
- if (enclosingTypeNames != null && enclosingTypeNames.length > 0)
- return; // accept only top level types
- storage.acceptClass(packageName, simpleTypeName, IConstants.AccPublic);
- }
- public void acceptInterface(char[] packageName, char[] simpleTypeName, char[][] enclosingTypeNames, String path) {
- if (excludePath != null && excludePath.equals(path))
- return;
- if (enclosingTypeNames != null && enclosingTypeNames.length > 0)
- return; // accept only top level types
- storage.acceptInterface(packageName, simpleTypeName, IConstants.AccPublic);
- }
- };
- // try {
- // new SearchEngine().searchAllTypeNames(
- // this.project.getProject().getWorkspace(),
- // qualification,
- // simpleName,
- // PREFIX_MATCH,
- // CASE_INSENSITIVE,
- // IJavaSearchConstants.TYPE,
- // this.searchScope,
- // nameRequestor,
- // CANCEL_IF_NOT_READY_TO_SEARCH,
- // progressMonitor);
- // } catch (OperationCanceledException e) {
- // findTypes(
- // new String(prefix),
- // storage,
- // NameLookup.ACCEPT_CLASSES | NameLookup.ACCEPT_INTERFACES);
- // }
- // } catch (JavaModelException e) {
- // findTypes(
- // new String(prefix),
- // storage,
- // NameLookup.ACCEPT_CLASSES | NameLookup.ACCEPT_INTERFACES);
- // }
- }
-
- /**
- * Returns all types whose name starts with the given (qualified) <code>prefix</code>.
- *
- * If the <code>prefix</code> is unqualified, all types whose simple name matches
- * the <code>prefix</code> are returned.
- */
- private void findTypes(String prefix, ISearchRequestor storage, int type) {
- SearchableEnvironmentRequestor requestor = new SearchableEnvironmentRequestor(storage, this.unitToSkip);
- int index = prefix.lastIndexOf('.');
- if (index == -1) {
- this.nameLookup.seekTypes(prefix, null, true, type, requestor);
- } else {
- String packageName = prefix.substring(0, index);
- JavaElementRequestor elementRequestor = new JavaElementRequestor();
- this.nameLookup.seekPackageFragments(packageName, false, elementRequestor);
- IPackageFragment[] fragments = elementRequestor.getPackageFragments();
- if (fragments != null) {
- String className = prefix.substring(index + 1);
- for (int i = 0, length = fragments.length; i < length; i++)
- if (fragments[i] != null)
- this.nameLookup.seekTypes(className, fragments[i], true, type, requestor);
- }
- }
- }
-
- /**
- * @see INameEnvironment#isPackage(char[][], char[])
- */
- public boolean isPackage(char[][] parentPackageName, char[] subPackageName) {
- if (subPackageName == null || CharOperation.contains('.', subPackageName))
- return false;
- if (parentPackageName == null || parentPackageName.length == 0)
- return isTopLevelPackage(subPackageName);
- for (int i = 0, length = parentPackageName.length; i < length; i++)
- if (parentPackageName[i] == null || CharOperation.contains('.', parentPackageName[i]))
- return false;
-
- String packageName = new String(CharOperation.concatWith(parentPackageName, subPackageName, '.'));
- return this.nameLookup.findPackageFragments(packageName, false) != null;
- }
-
- public boolean isTopLevelPackage(char[] packageName) {
- return packageName != null
- && !CharOperation.contains('.', packageName)
- && this.nameLookup.findPackageFragments(new String(packageName), false) != null;
- }
-
- /**
- * Returns a printable string for the array.
- */
- protected String toStringChar(char[] name) {
- return "[" //$NON-NLS-1$
- + new String(name) + "]"; //$NON-NLS-1$
- }
-
- /**
- * Returns a printable string for the array.
- */
- protected String toStringCharChar(char[][] names) {
- StringBuffer result = new StringBuffer();
- for (int i = 0; i < names.length; i++) {
- result.append(toStringChar(names[i]));
- }
- return result.toString();
- }
-
- public void cleanup() {
- }
}
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