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/*
* Copyright (C) 2013-2020 The Project Lombok Authors.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package lombok.javac;
import java.util.ArrayList;
import java.util.Collection;
import lombok.core.ImportList;
import lombok.core.LombokInternalAliasing;
import com.sun.tools.javac.tree.JCTree;
import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;
import com.sun.tools.javac.tree.JCTree.JCFieldAccess;
import com.sun.tools.javac.tree.JCTree.JCImport;
import com.sun.tools.javac.util.List;
public class JavacImportList implements ImportList {
private final String pkgStr;
private final List<JCTree> defs;
public JavacImportList(JCCompilationUnit cud) {
this.pkgStr = PackageName.getPackageName(cud);
this.defs = cud.defs;
}
@Override public String getFullyQualifiedNameForSimpleName(String unqualified) {
String q = getFullyQualifiedNameForSimpleNameNoAliasing(unqualified);
return q == null ? null : LombokInternalAliasing.processAliases(q);
}
@Override public String getFullyQualifiedNameForSimpleNameNoAliasing(String unqualified) {
for (JCTree def : defs) {
if (!(def instanceof JCImport)) continue;
JCTree qual = ((JCImport) def).qualid;
if (!(qual instanceof JCFieldAccess)) continue;
String simpleName = ((JCFieldAccess) qual).name.toString();
if (simpleName.equals(unqualified)) {
return qual.toString();
}
}
return null;
}
@Override public boolean hasStarImport(String packageName) {
if (pkgStr != null && pkgStr.equals(packageName)) return true;
if ("java.lang".equals(packageName)) return true;
for (JCTree def : defs) {
if (!(def instanceof JCImport)) continue;
if (((JCImport) def).staticImport) continue;
JCTree qual = ((JCImport) def).qualid;
if (!(qual instanceof JCFieldAccess)) continue;
String simpleName = ((JCFieldAccess) qual).name.toString();
if (!"*".equals(simpleName)) continue;
String starImport = ((JCFieldAccess) qual).selected.toString();
if (packageName.equals(starImport)) return true;
}
return false;
}
@Override public Collection<String> applyNameToStarImports(String startsWith, String name) {
ArrayList<String> out = new ArrayList<String>();
if (pkgStr != null && topLevelName(pkgStr).equals(startsWith)) out.add(pkgStr + "." + name);
for (JCTree def : defs) {
if (!(def instanceof JCImport)) continue;
if (((JCImport) def).staticImport) continue;
JCTree qual = ((JCImport) def).qualid;
if (!(qual instanceof JCFieldAccess)) continue;
String simpleName = ((JCFieldAccess) qual).name.toString();
if (!"*".equals(simpleName)) continue;
String topLevelName = topLevelName(qual);
if (topLevelName.equals(startsWith)) {
out.add(((JCFieldAccess) qual).selected.toString() + "." + name);
}
}
return out;
}
private String topLevelName(JCTree tree) {
while (tree instanceof JCFieldAccess) tree = ((JCFieldAccess) tree).selected;
return tree.toString();
}
private String topLevelName(String packageName) {
int idx = packageName.indexOf(".");
if (idx == -1) return packageName;
return packageName.substring(0, idx);
}
@Override public String applyUnqualifiedNameToPackage(String unqualified) {
if (pkgStr == null) return unqualified;
return pkgStr + "." + unqualified;
}
}
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