Examples of org.eclipse.jdt.core.dom.PackageDeclaration

org.eclipse.jdt.core.dom.PackageDeclaration
Package declaration AST node type. For JLS2:
```
 PackageDeclaration: package Name ; 
```
For JLS3, annotations and doc comment were added:
```
 PackageDeclaration: [ Javadoc ] { Annotation } package Name ; 
```
Note that the standard AST parser only recognizes a Javadoc comment immediately preceding the package declaration when it occurs in the special package-info.java compilation unit (JLS3 7.4.1.1). The Javadoc comment in that file contains the package description. @since 2.0 @noinstantiate This class is not intended to be instantiated by clients.

    * Package modifiers
    */
   @Override
   public String getPackage()
   {
      PackageDeclaration pkg = unit.getPackage();
      if (pkg != null)
      {
         return pkg.getName().getFullyQualifiedName();
      }
      else
      {
         return null;
      }

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    * Package modifiers
    */
   @Override
   public String getPackage()
   {
      PackageDeclaration pkg = unit.getPackage();
      if (pkg != null)
      {
         return pkg.getName().getFullyQualifiedName();
      }
      else
      {
         return null;
      }

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    }
    return -1;
  }


  private int getPackageStatementEndPos(CompilationUnit root) {
    PackageDeclaration packDecl= root.getPackage();
    if (packDecl != null) {
      int afterPackageStatementPos= -1;
      int lineNumber= root.getLineNumber(packDecl.getStartPosition() + packDecl.getLength());
      if (lineNumber >= 0) {
        int lineAfterPackage= lineNumber + 1;
        afterPackageStatementPos= root.getPosition(lineAfterPackage, 0);
      }
      if (afterPackageStatementPos < 0) {
        this.flags|= F_NEEDS_LEADING_DELIM;
        return packDecl.getStartPosition() + packDecl.getLength();
      }
      int firstTypePos= getFirstTypeBeginPos(root);
      if (firstTypePos != -1 && firstTypePos <= afterPackageStatementPos) {
        this.flags|= F_NEEDS_TRAILING_DELIM;
        if (firstTypePos == afterPackageStatementPos) {

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  private void updatePackageStatement(CompilationUnit astCU, String[] pkgName, ASTRewrite rewriter, ICompilationUnit cu) throws JavaModelException {
    boolean defaultPackage = pkgName.length == 0;
    AST ast = astCU.getAST();
    if (defaultPackage) {
      // remove existing package statement
      PackageDeclaration pkg = astCU.getPackage();
      if (pkg != null) {
        int pkgStart;
        Javadoc javadoc = pkg.getJavadoc();
        if (javadoc != null) {
          pkgStart = javadoc.getStartPosition() + javadoc.getLength() + 1;
        } else {
          pkgStart = pkg.getStartPosition();
        }
        int extendedStart = astCU.getExtendedStartPosition(pkg);
        if (pkgStart != extendedStart) {
          // keep the comments associated with package declaration
          // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=247757
          String commentSource = cu.getSource().substring(extendedStart, pkgStart);
          ASTNode comment = rewriter.createStringPlaceholder(commentSource, ASTNode.PACKAGE_DECLARATION);
          rewriter.set(astCU, CompilationUnit.PACKAGE_PROPERTY, comment, null);
        } else {
          rewriter.set(astCU, CompilationUnit.PACKAGE_PROPERTY, null, null);
        }
      }
    } else {
      org.eclipse.jdt.core.dom.PackageDeclaration pkg = astCU.getPackage();
      if (pkg != null) {
        // rename package statement
        Name name = ast.newName(pkgName);
        rewriter.set(pkg, PackageDeclaration.NAME_PROPERTY, name, null);
      } else {
        // create new package statement
        pkg = ast.newPackageDeclaration();
        pkg.setName(ast.newName(pkgName));
        rewriter.set(astCU, CompilationUnit.PACKAGE_PROPERTY, pkg, null);
      }
    }
  }

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      this.creationOccurred = false;
      return null;
    }
  }
  AST ast = this.cuAST.getAST();
  PackageDeclaration pkgDeclaration = ast.newPackageDeclaration();
  Name astName = ast.newName(this.name);
  pkgDeclaration.setName(astName);
  return pkgDeclaration;
}

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    * Package modifiers
    */
   @Override
   public String getPackage()
   {
      PackageDeclaration pkg = unit.getPackage();
      if (pkg != null)
      {
         return pkg.getName().getFullyQualifiedName();
      }
      else
      {
         return null;
      }

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    * Package modifiers
    */
   @Override
   public String getPackage()
   {
      PackageDeclaration pkg = unit.getPackage();
      if (pkg != null)
      {
         return pkg.getName().getFullyQualifiedName();
      }
      else
      {
         return null;
      }

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    * Package modifiers
    */
   @Override
   public String getPackage()
   {
      PackageDeclaration pkg = unit.getPackage();
      if (pkg != null)
      {
         return pkg.getName().getFullyQualifiedName();
      }
      else
      {
         return null;
      }

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         AnnotationTypeDeclaration annotationTypeDeclaration = (AnnotationTypeDeclaration) declaration;
         return new JavaAnnotationImpl(enclosingType, document, unit, annotationTypeDeclaration);
      }
      else if (declaration instanceof PackageDeclaration)
      {
         PackageDeclaration packageDeclaration = (PackageDeclaration) declaration;
         return new JavaPackageInfoImpl(enclosingType, document, unit, packageDeclaration);
      }
      else
      {
         throw new ParserException("Unknown Java source type [" + declaration + "]");

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    AST ast = unit.getAST();


    // Package statement
    // package astexplorer;


    PackageDeclaration packageDeclaration = ast.newPackageDeclaration();
    unit.setPackage(packageDeclaration);
    // unit.se
    packageDeclaration.setName(ast.newSimpleName(fileName));
    // System.out.println("Filename: " + fileName);
    // class declaration
    // public class SampleComposite extends Composite {


    TypeDeclaration classType = ast.newTypeDeclaration();

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