Example usage for org.eclipse.jdt.internal.core ClassFile existsUsingJarTypeCache

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.core ClassFile existsUsingJarTypeCache.

Prototype

public boolean existsUsingJarTypeCache() 

Source Link

Usage

From source file:com.codenvy.ide.ext.java.server.internal.core.NameLookup.java

License:Open Source License

/**
 * Performs type search in a binary package.
 *///from  w  w  w  . ja v  a2  s. c  om
protected void seekTypesInBinaryPackage(String name, IPackageFragment pkg, boolean partialMatch,
        int acceptFlags, IJavaElementRequestor requestor) {
    long start = -1;
    if (VERBOSE)
        start = System.currentTimeMillis();
    try {
        if (!partialMatch) {
            // exact match
            if (requestor.isCanceled())
                return;
            ClassFile classFile = new ClassFile((PackageFragment) pkg, manager, name);
            if (classFile.existsUsingJarTypeCache()) {
                IType type = classFile.getType();
                if (acceptType(type, acceptFlags, false/*not a source type*/)) {
                    requestor.acceptType(type);
                }
            }
        } else {
            IJavaElement[] classFiles = null;
            try {
                classFiles = pkg.getChildren();
            } catch (JavaModelException npe) {
                return; // the package is not present
            }
            int length = classFiles.length;
            String unqualifiedName = name;
            int index = name.lastIndexOf('$');
            if (index != -1) {
                //the type name of the inner type
                unqualifiedName = Util.localTypeName(name, index, name.length());
                // unqualifiedName is empty if the name ends with a '$' sign.
                // See http://dev.eclipse.org/bugs/show_bug.cgi?id=14642
            }
            int matchLength = name.length();
            for (int i = 0; i < length; i++) {
                if (requestor.isCanceled())
                    return;
                IJavaElement classFile = classFiles[i];
                // MatchName will never have the extension ".class" and the elementName always will.
                String elementName = classFile.getElementName();
                if (elementName.regionMatches(true /*ignore case*/, 0, name, 0, matchLength)) {
                    IType type = ((ClassFile) classFile).getType();
                    String typeName = type.getElementName();
                    if (typeName.length() > 0 && !Character.isDigit(typeName.charAt(0))) { //not an anonymous type
                        if (nameMatches(unqualifiedName, type, true/*partial match*/)
                                && acceptType(type, acceptFlags, false/*not a source type*/))
                            requestor.acceptType(type);
                    }
                }
            }
        }
    } finally {
        if (VERBOSE)
            this.timeSpentInSeekTypesInBinaryPackage += System.currentTimeMillis() - start;
    }
}

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From source file:org.codehaus.groovy.eclipse.core.builder.GroovyNameLookup.java

License:Apache License

/**
 * Copied from parent class/*  w  w w  . ja va  2s .  c  o  m*/
 * Changes marked with // GROOVY begin and // GROOVY end
 */
@Override
protected void seekTypesInBinaryPackage(String name, IPackageFragment pkg, boolean partialMatch,
        int acceptFlags, IJavaElementRequestor requestor) {
    long start = -1;
    if (VERBOSE)
        start = System.currentTimeMillis();
    try {
        // GROOVY begin
        // ensure ends with .class
        if (!name.endsWith(".class")) {
            name += ".class";
        }
        // GROOVY end
        if (!partialMatch) {
            // exact match
            if (requestor.isCanceled())
                return;
            ClassFile classFile = (ClassFile) pkg.getClassFile(name);
            if (classFile.existsUsingJarTypeCache()) {
                IType type = classFile.getType();
                if (acceptType(type, acceptFlags, false/*not a source type*/)) {
                    requestor.acceptType(type);
                }
            }

            // GROOVY begin
            // class file may still exist as an inner type
            IJavaElement[] classFiles = null;
            try {
                classFiles = pkg.getChildren();
            } catch (JavaModelException npe) {
                return; // the package is not present
            }
            for (IJavaElement elt : classFiles) {
                classFile = (ClassFile) elt;
                if (classFile.getElementName().endsWith("$" + name)) {
                    IType type = classFile.getType();
                    if (acceptType(type, acceptFlags, false/*not a source type*/)) {
                        requestor.acceptType(type);
                    }
                }
            }
            // GROOVY end

        } else {
            IJavaElement[] classFiles = null;
            try {
                classFiles = pkg.getChildren();
            } catch (JavaModelException npe) {
                return; // the package is not present
            }
            int length = classFiles.length;
            String unqualifiedName = name;
            int index = name.lastIndexOf('$');
            if (index != -1) {
                //the type name of the inner type
                unqualifiedName = Util.localTypeName(name, index, name.length());
                // unqualifiedName is empty if the name ends with a '$' sign.
                // See http://dev.eclipse.org/bugs/show_bug.cgi?id=14642
            }
            int matchLength = name.length();
            for (int i = 0; i < length; i++) {
                if (requestor.isCanceled())
                    return;
                IJavaElement classFile = classFiles[i];
                // MatchName will never have the extension ".class" and the elementName always will.
                String elementName = classFile.getElementName();
                if (elementName.regionMatches(true /*ignore case*/, 0, name, 0, matchLength)) {
                    IType type = ((ClassFile) classFile).getType();
                    String typeName = type.getElementName();
                    if (typeName.length() > 0 && !Character.isDigit(typeName.charAt(0))) { //not an anonymous type
                        if (nameMatches(unqualifiedName, type, true/*partial match*/)
                                && acceptType(type, acceptFlags, false/*not a source type*/))
                            requestor.acceptType(type);
                    }
                }
            }
        }
    } finally {
        if (VERBOSE)
            this.timeSpentInSeekTypesInBinaryPackage += System.currentTimeMillis() - start;
    }
}

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