/**
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
* Portions Copyright 2013-2017 Philip Helger + contributors
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.helger.jcodemodel;
import java.io.Closeable;
import java.io.PrintWriter;
import java.io.Writer;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import javax.annotation.concurrent.NotThreadSafe;
import com.helger.jcodemodel.util.ClassNameComparator;
import com.helger.jcodemodel.util.JCValueEnforcer;
import com.helger.jcodemodel.util.NullWriter;
/**
* This is a utility class for managing indentation and other basic formatting
* for PrintWriter.
*/
@NotThreadSafe
public class JFormatter implements Closeable
{
/**
* Used during the optimization of class imports. List of
* {@link AbstractJClass}es whose short name is the same.
*
* @author Ryan.Shoemaker@Sun.COM
*/
private final class NameUsage
{
private final String m_sName;
private final List <AbstractJClass> m_aReferencedClasses = new ArrayList <> ();
/** true if this name is used as an identifier (like a variable name.) **/
private boolean m_bIsVariableName;
public NameUsage (@Nonnull final String sName)
{
m_sName = sName;
}
/**
* @return <code>true</code> if the short name is ambiguous in context of
* enclosingClass and classes with this name can't be imported.
*/
public boolean isAmbiguousIn (final JDefinedClass aEnclosingClass)
{
// more than one type with the same name
if (m_aReferencedClasses.size () > 1)
return true;
// an id and (at least one) type with the same name
if (m_bIsVariableName && !m_aReferencedClasses.isEmpty ())
return true;
// no references is always unambiguous
if (m_aReferencedClasses.isEmpty ())
return false;
// we have exactly one reference
AbstractJClass aSingleRef = m_aReferencedClasses.get (0);
if (aSingleRef instanceof JAnonymousClass)
{
aSingleRef = ((JAnonymousClass) aSingleRef).base ();
}
// special case where a generated type collides with a type in package
// java.lang
if (aSingleRef._package () == JFormatter.this.m_aPckJavaLang)
{
// make sure that there's no other class with this name within the
// same package
for (final JDefinedClass aClass : aEnclosingClass._package ().classes ())
{
// even if this is the only "String" class we use,
// if the class called "String" is in the same package,
// we still need to import it.
if (aClass.name ().equals (aSingleRef.name ()))
{
// collision -> ambiguous
return true;
}
}
}
return false;
}
public boolean addReferencedType (@Nonnull final AbstractJClass clazz)
{
if (false)
System.out.println ("Adding referenced type[" + m_sName + "]: " + clazz.fullName ());
if (m_aReferencedClasses.contains (clazz))
return false;
return m_aReferencedClasses.add (clazz);
}
public boolean containsReferencedType (@Nullable final AbstractJClass clazz)
{
return m_aReferencedClasses.contains (clazz);
}
@Nonnull
public AbstractJClass getSingleReferencedType ()
{
assert m_aReferencedClasses.size () == 1;
return m_aReferencedClasses.get (0);
}
@Nonnull
public List <AbstractJClass> getReferencedTypes ()
{
return m_aReferencedClasses;
}
public void setVariableName ()
{
// Check if something can be a variable or a type
for (final AbstractJClass aRefedType : m_aReferencedClasses)
{
if (aRefedType.outer () != null)
{
m_bIsVariableName = false;
return;
}
}
m_bIsVariableName = true;
}
/**
* @return true if this name is used as an identifier (like a variable
* name.).
*/
public boolean isVariableName ()
{
return m_bIsVariableName;
}
/**
* @return true if this name is used as an type name (like class name.)
*/
public boolean isTypeName ()
{
return !m_aReferencedClasses.isEmpty ();
}
@Override
public String toString ()
{
final StringBuilder aSB = new StringBuilder ("Usages[").append (m_sName).append ("]");
aSB.append ("; isVarName=").append (m_bIsVariableName);
aSB.append ("; refedClasses=").append (m_aReferencedClasses);
return aSB.toString ();
}
}
private static enum EMode
{
/**
* Collect all the type names and identifiers. In this mode we don't
* actually generate anything.
*/
COLLECTING,
/**
* Print the actual source code.
*/
PRINTING,
/**
* Find any error types in output code. In this mode we don't actually
* generate anything. <br/>
* Only used by {@link JFormatter#containsErrorTypes(JDefinedClass)
* containsErrorTypes} method
*/
FIND_ERROR_TYPES
}
private final class ImportedClasses
{
private final Set <AbstractJClass> m_aClasses = new HashSet <> ();
private final Set <String> m_aNames = new HashSet <> ();
public ImportedClasses ()
{}
@Nullable
private AbstractJClass _getClassForImport (@Nullable final AbstractJClass aClass)
{
AbstractJClass aRealClass = aClass;
if (aRealClass instanceof JAnonymousClass)
{
// get the super class of the anonymous class
return _getClassForImport (((JAnonymousClass) aRealClass).base ());
}
if (aRealClass instanceof JNarrowedClass)
{
// Never imported narrowed class but the erasure only
aRealClass = aRealClass.erasure ();
}
return aRealClass;
}
public boolean add (@Nonnull final AbstractJClass aClass)
{
final AbstractJClass aRealClass = _getClassForImport (aClass);
// Avoid importing 2 classes with the same class name
if (!m_aNames.add (aRealClass.name ()))
{
if (m_bImportDebug)
System.out.println ("A class with local name '" + aRealClass.name () + "' is already in the import list.");
return false;
}
if (!m_aClasses.add (aRealClass))
{
if (m_bImportDebug)
System.out.println ("The class '" + aRealClass.fullName () + "' is already in the import list.");
return false;
}
if (m_bImportDebug)
System.out.println ("Added import class '" + aClass.fullName () + "'");
return true;
}
public boolean contains (@Nullable final AbstractJClass aClass)
{
final AbstractJClass aRealClass = _getClassForImport (aClass);
return m_aClasses.contains (aRealClass);
}
public void clear ()
{
m_aClasses.clear ();
m_aNames.clear ();
}
@Nonnull
public List <AbstractJClass> getAllSorted ()
{
// Copy and sort
final List <AbstractJClass> aImports = new ArrayList <> (m_aClasses);
Collections.sort (aImports, ClassNameComparator.getInstance ());
return aImports;
}
}
public static final String DEFAULT_INDENT_SPACE = " ";
/**
* Special character token we use to differentiate '>' as an operator and
* '>' as the end of the type arguments. The former uses '>' and it
* requires a preceding whitespace. The latter uses this, and it does not have
* a preceding whitespace.
*/
/* package */static final char CLOSE_TYPE_ARGS = '\uFFFF';
/**
* all classes and ids encountered during the collection mode.<br>
* map from short type name to {@link NameUsage} (list of
* {@link AbstractJClass} and ids sharing that name)
**/
private final Map <String, NameUsage> m_aCollectedReferences = new HashMap <> ();
/**
* set of imported types (including package java types, even though we won't
* generate imports for them)
*/
private final ImportedClasses m_aImportedClasses = new ImportedClasses ();
/**
* The current running mode. Set to PRINTING so that a casual client can use a
* formatter just like before.
*/
private EMode m_eMode = EMode.PRINTING;
/**
* Current number of indentation strings to print
*/
private int m_nIndentLevel;
/**
* String to be used for each indentation. Defaults to four spaces.
*/
private final String m_sIndentSpace;
/**
* Writer associated with this {@link JFormatter}
*/
private final SourcePrintWriter m_aPW;
private char m_cLastChar = 0;
private boolean m_bAtBeginningOfLine = true;
private JPackage m_aPckJavaLang;
/**
* Only used by {@link JFormatter#containsErrorTypes(JDefinedClass)
* containsErrorTypes} method
*/
private boolean m_bContainsErrorTypes;
/**
* Creates a formatter with default incremental indentations of four spaces.
*
* @param aPW
* The {@link PrintWriter} to use
*/
public JFormatter (@Nonnull final SourcePrintWriter aPW)
{
this (aPW, DEFAULT_INDENT_SPACE);
}
/**
* Creates a JFormatter.
*
* @param aPW
* {@link PrintWriter} to {@link JFormatter} to use. May not be
* <code>null</code>.
* @param sIndentSpace
* Incremental indentation string, similar to tab value. May not be
* <code>null</code>.
*/
public JFormatter (@Nonnull final SourcePrintWriter aPW, @Nonnull final String sIndentSpace)
{
JCValueEnforcer.notNull (aPW, "PrintWriter");
JCValueEnforcer.notNull (sIndentSpace, "IndentSpace");
m_aPW = aPW;
m_sIndentSpace = sIndentSpace;
}
/**
* Creates a formatter with default incremental indentations of four spaces.
*
* @param aWriter
* The {@link Writer} to be wrapped in a {@link PrintWriter}
*/
public JFormatter (@Nonnull final Writer aWriter)
{
this (aWriter, DEFAULT_INDENT_SPACE);
}
/**
* Creates a formatter with default incremental indentations of four spaces.
*
* @param aWriter
* The {@link Writer} to be wrapped in a {@link PrintWriter}
* @param sIndentSpace
* Incremental indentation string, similar to tab value. May not be
* <code>null</code>.
*/
public JFormatter (@Nonnull final Writer aWriter, @Nonnull final String sIndentSpace)
{
this (aWriter, sIndentSpace, System.getProperty ("line.separator"));
}
/**
* Creates a formatter with default incremental indentations of four spaces.
*
* @param aWriter
* The {@link Writer} to be wrapped in a {@link PrintWriter}
* @param sIndentSpace
* Incremental indentation string, similar to tab value. May not be
* <code>null</code>.
* @param sNewLine
* The new line string to be used. May neither be <code>null</code> nor
* empty.
*/
public JFormatter (@Nonnull final Writer aWriter, @Nonnull final String sIndentSpace, @Nonnull final String sNewLine)
{
this (aWriter instanceof SourcePrintWriter ? (SourcePrintWriter) aWriter
: new SourcePrintWriter (aWriter, sNewLine),
sIndentSpace);
}
/**
* Closes this formatter.
*/
public void close ()
{
m_aPW.close ();
}
/**
* @return <code>true</code> if we are in the printing mode, where we actually
* produce text. The other mode is the "collecting mode'
*/
public boolean isPrinting ()
{
return m_eMode == EMode.PRINTING;
}
/**
* Decrement the indentation level.
*
* @return this for chaining
*/
@Nonnull
public JFormatter outdent ()
{
m_nIndentLevel--;
return this;
}
/**
* Increment the indentation level.
*
* @return this for chaining
*/
@Nonnull
public JFormatter indent ()
{
m_nIndentLevel++;
return this;
}
private static boolean _needSpace (final char c1, final char c2)
{
if ((c1 == ']') && (c2 == '{'))
return true;
if (c1 == ';')
return true;
if (c1 == CLOSE_TYPE_ARGS)
{
// e.g., "public Foo<Bar> test;"
if (c2 == '(')
{
// but not "new Foo<Bar>()"
return false;
}
return true;
}
if ((c1 == ')') && (c2 == '{'))
return true;
if ((c1 == ',') || (c1 == '='))
return true;
if (c2 == '=')
return true;
if (Character.isDigit (c1))
{
if ((c2 == '(') || (c2 == ')') || (c2 == ';') || (c2 == ','))
return false;
return true;
}
if (Character.isJavaIdentifierPart (c1))
{
switch (c2)
{
case '{':
case '}':
case '+':
case '-':
case '>':
case '@':
return true;
default:
return Character.isJavaIdentifierStart (c2);
}
}
if (Character.isJavaIdentifierStart (c2))
{
switch (c1)
{
case ']':
case ')':
case '}':
case '+':
return true;
default:
return false;
}
}
if (Character.isDigit (c2))
{
if (c1 == '(')
return false;
return true;
}
return false;
}
private void _spaceIfNeeded (final char c)
{
if (m_bAtBeginningOfLine)
{
for (int i = 0; i < m_nIndentLevel; i++)
m_aPW.print (m_sIndentSpace);
m_bAtBeginningOfLine = false;
}
else
if (m_cLastChar != 0 && _needSpace (m_cLastChar, c))
m_aPW.print (' ');
}
/**
* Print a char into the stream
*
* @param c
* the char
* @return this for chaining
*/
@Nonnull
public JFormatter print (final char c)
{
if (m_eMode == EMode.PRINTING)
{
if (c == CLOSE_TYPE_ARGS)
{
m_aPW.print ('>');
}
else
{
_spaceIfNeeded (c);
m_aPW.print (c);
}
m_cLastChar = c;
}
return this;
}
/**
* Print a String into the stream. Indentation happens automatically.
*
* @param s
* the String
* @return this
*/
@Nonnull
public JFormatter print (@Nonnull final String s)
{
if (m_eMode == EMode.PRINTING && s.length () > 0)
{
_spaceIfNeeded (s.charAt (0));
m_aPW.print (s);
m_cLastChar = s.charAt (s.length () - 1);
}
return this;
}
@Nonnull
public JFormatter type (@Nonnull final AbstractJType aType)
{
if (aType.isReference ())
return type ((AbstractJClass) aType);
return generable (aType);
}
/**
* Print a type name.
* <p>
* In the collecting mode we use this information to decide what types to
* import and what not to.
*
* @param aType
* Type to be emitted
* @return this for chaining
*/
@Nonnull
public JFormatter type (@Nonnull final AbstractJClass aType)
{
switch (m_eMode)
{
case COLLECTING:
if (!aType.isError ())
{
final String sShortName = aType.name ();
NameUsage aUsages = m_aCollectedReferences.get (sShortName);
if (aUsages == null)
{
aUsages = new NameUsage (sShortName);
m_aCollectedReferences.put (sShortName, aUsages);
}
aUsages.addReferencedType (aType);
}
break;
case PRINTING:
if (aType.isError ())
{
print ("Object");
}
else
// many of the JTypes in this list are either primitive or belong to
// package java so we don't need a FQCN
if (m_aImportedClasses.contains (aType) || aType._package () == m_aPckJavaLang)
{
// FQCN imported or not necessary, so generate short name
print (aType.name ());
}
else
{
final AbstractJClass aOuter = aType.outer ();
if (aOuter != null)
{
type (aOuter).print ('.').print (aType.name ());
}
else
{
// collision was detected, so generate FQCN
print (aType.fullName ());
}
}
break;
case FIND_ERROR_TYPES:
if (aType.isError ())
m_bContainsErrorTypes = true;
break;
}
return this;
}
/**
* Print an identifier
*
* @param id
* identifier
* @return this for chaining
*/
@Nonnull
public JFormatter id (@Nonnull final String id)
{
switch (m_eMode)
{
case COLLECTING:
// see if there is a type name that collides with this id
NameUsage aUsages = m_aCollectedReferences.get (id);
if (aUsages == null)
{
// not a type, but we need to create a place holder to
// see if there might be a collision with a type
aUsages = new NameUsage (id);
m_aCollectedReferences.put (id, aUsages);
}
aUsages.setVariableName ();
break;
case PRINTING:
print (id);
break;
}
return this;
}
/**
* Print a new line into the stream
*
* @return this for chaining
*/
@Nonnull
public JFormatter newline ()
{
if (m_eMode == EMode.PRINTING)
{
m_aPW.println ();
m_cLastChar = 0;
m_bAtBeginningOfLine = true;
}
return this;
}
/**
* Cause the JGenerable object to generate source for iteself
*
* @param g
* the JGenerable object
* @return this for chaining
*/
@Nonnull
public JFormatter generable (@Nonnull final IJGenerable g)
{
g.generate (this);
return this;
}
/**
* Produces {@link IJGenerable}s separated by ','
*
* @param list
* List of {@link IJGenerable} objects that will be separated by a
* comma
* @return this for chaining
*/
@Nonnull
public JFormatter generable (@Nonnull final Collection <? extends IJGenerable> list)
{
if (!list.isEmpty ())
{
boolean bFirst = true;
for (final IJGenerable item : list)
{
if (!bFirst)
print (',');
generable (item);
bFirst = false;
}
}
return this;
}
/**
* Cause the JDeclaration to generate source for itself
*
* @param d
* the JDeclaration object
* @return this for chaining
*/
@Nonnull
public JFormatter declaration (@Nonnull final IJDeclaration d)
{
d.declare (this);
return this;
}
/**
* Cause the JStatement to generate source for itself
*
* @param s
* the JStatement object
* @return this for chaining
*/
@Nonnull
public JFormatter statement (@Nonnull final IJStatement s)
{
s.state (this);
return this;
}
/**
* Cause the {@link JVar} to generate source for itself
*
* @param v
* the {@link JVar} object
* @return this for chaining
*/
@Nonnull
public JFormatter var (@Nonnull final JVar v)
{
v.bind (this);
return this;
}
private final boolean m_bImportDebug = false;
private boolean _collectCausesNoAmbiguities (@Nonnull final AbstractJClass aReference,
@Nonnull final JDefinedClass aClassToBeWritten)
{
if (m_bImportDebug)
System.out.println ("_collectCausesNoAmbiguities(" +
aReference.fullName () +
", " +
aClassToBeWritten.fullName () +
")");
final NameUsage aUsages = m_aCollectedReferences.get (aReference.name ());
if (aUsages == null)
return true;
return !aUsages.isAmbiguousIn (aClassToBeWritten) && aUsages.containsReferencedType (aReference);
}
/**
* determine if an import statement should be used for given class. This is a
* matter of style and convention
*
* @param aReference
* {@link AbstractJClass} referenced class
* @param aClassToBeWritten
* {@link AbstractJClass} currently generated class
* @return <code>true</code> if an import statement can be used to shorten
* references to referenced class
*/
private boolean _collectShouldBeImported (@Nonnull final AbstractJClass aReference,
@Nonnull final JDefinedClass aClassToBeWritten)
{
if (m_bImportDebug)
System.out.println ("_collectShouldBeImported(" +
aReference.fullName () +
", " +
aClassToBeWritten.fullName () +
")");
AbstractJClass aRealReference = aReference;
if (aRealReference instanceof JAnonymousClass)
{
// get the super class of the anonymous class
aRealReference = ((JAnonymousClass) aRealReference).base ();
}
if (aRealReference instanceof JNarrowedClass)
{
// Remove the generic arguments
aRealReference = aRealReference.erasure ();
}
// Is it an inner class?
final AbstractJClass aOuter = aRealReference.outer ();
if (aOuter != null)
{
// Import inner class only when it's name contain a name of enclosing
// class.
// In such case no information is lost when we refer to inner class
// without mentioning it's enclosing class
if (aRealReference.name ().contains (aOuter.name ()))
{
// Recurse
if (_collectShouldBeImported (aOuter, aClassToBeWritten))
return true;
}
// Do not import inner classes in all other cases to aid
// understandability/readability.
return false;
}
return true;
}
/**
* If reference is inner-class adds some outer class to the list of imported
* classes if it
*
* @param aClassToBeWritten
* {@link AbstractJClass} that may or may not have an import
* @param aGeneratingClass
* {@link AbstractJClass} that is the current class being processed
* @return true if an import statement should be suppressed, false otherwise
*/
private void _collectImportOuterClassIfCausesNoAmbiguities (@Nonnull final AbstractJClass aReference,
@Nonnull final JDefinedClass aClassToBeWritten)
{
if (m_bImportDebug)
System.out.println ("_collectImportOuterClassIfCausesNoAmbiguities(" +
aReference.fullName () +
", " +
aClassToBeWritten.fullName () +
")");
final AbstractJClass aOuter = aReference.outer ();
if (aOuter != null)
{
if (_collectCausesNoAmbiguities (aOuter, aClassToBeWritten) &&
_collectShouldBeImported (aOuter, aClassToBeWritten))
{
m_aImportedClasses.add (aOuter);
}
else
{
// Recursive call
_collectImportOuterClassIfCausesNoAmbiguities (aOuter, aClassToBeWritten);
}
}
}
/**
* determine if an import statement should be suppressed
*
* @param aReference
* {@link AbstractJClass} that may or may not have an import
* @param aGeneratingClass
* {@link AbstractJClass} that is the current class being processed
* @return true if an import statement should be suppressed, false otherwise
*/
private boolean _printIsImplicitlyImported (@Nonnull final AbstractJClass aReference,
@Nonnull final AbstractJClass aClassToBeWrittem)
{
if (m_bImportDebug)
System.out.println ("_printIsImplicitlyImported(" +
aReference.fullName () +
", " +
aClassToBeWrittem.fullName () +
")");
AbstractJClass aRealReference = aReference;
if (aRealReference instanceof JAnonymousClass)
{
// Get the super class of the anonymous class
aRealReference = ((JAnonymousClass) aRealReference).base ();
}
if (aRealReference instanceof JNarrowedClass)
{
// Remove generic type arguments
aRealReference = aRealReference.erasure ();
}
final JPackage aPackage = aRealReference._package ();
if (aPackage == null)
{
// May be null for JTypeVar and JTypeWildcard
return true;
}
if (aPackage.isUnnamed ())
{
// Root package - no need to import something
return true;
}
if (aPackage == m_aPckJavaLang)
{
// no need to explicitly import java.lang classes
return true;
}
// All pkg local classes do not need an
// import stmt for ref, except for inner classes
if (aPackage == aClassToBeWrittem._package ())
{
AbstractJClass aOuter = aRealReference.outer ();
if (aOuter == null) // top-level class
{
// top-level package-local class needs no explicit import
return true;
}
// inner-class
AbstractJClass aTopLevelClass = aOuter;
aOuter = aTopLevelClass.outer ();
while (aOuter != null)
{
aTopLevelClass = aOuter;
aOuter = aTopLevelClass.outer ();
}
// if reference is inner-class and
// reference's top-level class is generated clazz,
// i. e. reference is enclosed in generated clazz,
// then it needs no explicit import statement.
return aTopLevelClass == aClassToBeWrittem;
}
return false;
}
/**
* Generates the whole source code out of the specified class.
*
* @param aClassToBeWritten
* Class to be written
*/
void write (@Nonnull final JDefinedClass aClassToBeWritten)
{
m_aPckJavaLang = aClassToBeWritten.owner ()._package ("java.lang");
// first collect all the types and identifiers
m_eMode = EMode.COLLECTING;
m_aCollectedReferences.clear ();
m_aImportedClasses.clear ();
declaration (aClassToBeWritten);
if (m_bImportDebug)
System.out.println ("***Start collecting***");
// the class itself that we will be generating is always accessible and must
// be the first import
m_aImportedClasses.add (aClassToBeWritten);
// collate type names and identifiers to determine which types can be
// imported
for (final NameUsage aUsage : m_aCollectedReferences.values ())
{
if (!aUsage.isAmbiguousIn (aClassToBeWritten) && !aUsage.isVariableName ())
{
final AbstractJClass aReferencedClass = aUsage.getSingleReferencedType ();
if (_collectShouldBeImported (aReferencedClass, aClassToBeWritten))
{
m_aImportedClasses.add (aReferencedClass);
}
else
{
_collectImportOuterClassIfCausesNoAmbiguities (aReferencedClass, aClassToBeWritten);
}
}
else
{
if (aUsage.isTypeName ())
for (final AbstractJClass reference : aUsage.getReferencedTypes ())
{
_collectImportOuterClassIfCausesNoAmbiguities (reference, aClassToBeWritten);
}
}
}
if (m_bImportDebug)
System.out.println ("***Finished collecting***");
// then print the declaration
m_eMode = EMode.PRINTING;
assert aClassToBeWritten.parentContainer ().isPackage () : "this method is only for a pacakge-level class";
// Header before package
if (aClassToBeWritten.hasHeaderComment ())
generable (aClassToBeWritten.headerComment ());
// Emit the package name (if not empty)
final JPackage aPackage = (JPackage) aClassToBeWritten.parentContainer ();
if (!aPackage.isUnnamed ())
{
declaration (aPackage).newline ();
}
// generate import statements
boolean bAnyImport = false;
for (final AbstractJClass aImportClass : m_aImportedClasses.getAllSorted ())
{
// suppress import statements for primitive types, built-in types,
// types in the root package, and types in
// the same package as the current type
if (!_printIsImplicitlyImported (aImportClass, aClassToBeWritten))
{
print ("import").print (aImportClass.fullName ()).print (';').newline ();
bAnyImport = true;
if (m_bImportDebug)
System.out.println (" import " + aImportClass.fullName ());
}
}
if (bAnyImport)
newline ();
declaration (aClassToBeWritten);
}
public static boolean containsErrorTypes (@Nonnull final JDefinedClass c)
{
final JFormatter aFormatter = new JFormatter (NullWriter.getInstance ());
aFormatter.m_eMode = EMode.FIND_ERROR_TYPES;
aFormatter.m_bContainsErrorTypes = false;
aFormatter.declaration (c);
return aFormatter.m_bContainsErrorTypes;
}
}