/*
 * Copyright 2016 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.gradle.internal.cleanup;

import com.google.common.collect.Sets;
import org.gradle.api.file.FileCollection;
import org.gradle.api.internal.file.FileResolver;

import java.io.File;
import java.util.LinkedHashSet;
import java.util.Set;

public class DefaultBuildOutputCleanupRegistry implements BuildOutputCleanupRegistry {

    private final FileResolver fileResolver;
    private final Set<FileCollection> outputs = Sets.newHashSet();
    private Set<String> resolvedPaths;

    public DefaultBuildOutputCleanupRegistry(FileResolver fileResolver) {
        this.fileResolver = fileResolver;
    }

    @Override
    public synchronized void registerOutputs(Object files) {
        if (resolvedPaths != null) {
            resolvedPaths = null;
        }
        this.outputs.add(fileResolver.resolveFiles(files));
    }

    @Override
    public boolean isOutputOwnedByBuild(File file) {
        Set<String> safeToDelete = getResolvedPaths();
        File absoluteFile = file.getAbsoluteFile();
        while (absoluteFile != null) {
            if (safeToDelete.contains(absoluteFile.getPath())) {
                return true;
            }
            absoluteFile = absoluteFile.getParentFile();
        }
        return false;
    }

    private Set<String> getResolvedPaths() {
        if (resolvedPaths == null) {
            doResolvePaths();
        }
        return resolvedPaths;
    }

    private synchronized void doResolvePaths() {
        if (resolvedPaths == null) {
            Set<String> result = new LinkedHashSet<String>();
            for (FileCollection output : outputs) {
                for (File file : output.getFiles()) {
                    result.add(file.getAbsolutePath());
                }
            }
            resolvedPaths = result;
        }
    }
}

@@ -802,16 +802,43 @@
 o.File;%0A
+import java.nio.file.Path;%0A
 import j
@@ -884,16 +884,45 @@
 l.Set;%0A%0A
+@SuppressWarnings(%22Since15%22)%0A
 public c
@@ -1125,30 +1125,28 @@
 private Set%3C
-String
+Path
 %3E resolvedPa
@@ -1576,22 +1576,20 @@
     Set%3C
-String
+Path
 %3E safeTo
@@ -1625,20 +1625,20 @@
         
-File
+Path
  absolut
@@ -1642,20 +1642,20 @@
 lute
-File
+Path
  = file.
 getA
@@ -1650,27 +1650,35 @@
  = file.
-get
+toPath().to
 Absolute
 File();%0A
@@ -1669,20 +1669,20 @@
 Absolute
-File
+Path
 ();%0A    
@@ -1700,20 +1700,20 @@
 absolute
-File
+Path
  != null
@@ -1766,22 +1766,12 @@
 lute
-File.get
 Path
-()
 )) %7B
@@ -1834,20 +1834,20 @@
 absolute
-File
+Path
  = absol
@@ -1849,20 +1849,20 @@
 absolute
-File
+Path
 .getPare
@@ -1863,20 +1863,16 @@
 etParent
-File
 ();%0A    
@@ -1922,22 +1922,20 @@
 ate Set%3C
-String
+Path
 %3E getRes
@@ -2165,22 +2165,20 @@
     Set%3C
-String
+Path
 %3E result
@@ -2202,14 +2202,12 @@
 Set%3C
-String
+Path
 %3E();
@@ -2349,19 +2349,27 @@
 dd(file.
-get
+toPath().to
 Absolute

Revert "Remove Path usage from DefaultBuildOutputCleanupRegistry"