Remove obsolete class.

Change-Id: I95c81b9cc55f89e714f1639188741833779d9d9b

1 files changed, 0 insertions, 204 deletions

diff --git a/builder/src/main/java/com/android/builder/internal/incremental/FileEntity.java b/builder/src/main/java/com/android/builder/internal/incremental/FileEntity.java
deleted file mode 100644
index a981d8e..0000000
--- a/builder/src/main/java/com/android/builder/internal/incremental/FileEntity.java
+++ /dev/null
@@ -1,204 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- *
- * 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 com.android.builder.internal.incremental;
-
-import com.google.common.hash.HashCode;
-import com.google.common.hash.Hashing;
-import com.google.common.io.ByteStreams;
-import com.google.common.io.Files;
-
-import java.io.File;
-
-/**
- * A {@link File} and its associated data needed to figure out if a file changed or not.
- */
-class FileEntity {
-
-    private static final byte[] sBuffer = new byte[4096];
-
-    private final File mFile;
-    private final long mLastModified;
-    private long mLength;
-    private String mSha1;
-
-    /**
-     * Exception to indicate a failure to check a jar file's content.
-     */
-    private static final class Sha1Exception extends Exception {
-        private static final long serialVersionUID = 1L;
-        private final File file;
-
-        public Sha1Exception(File jarFile, Throwable cause) {
-            super(cause);
-            file = jarFile;
-        }
-
-        public File getJarFile() {
-            return file;
-        }
-    }
-
-    /**
-     * Creates an entity from cached data.
-     *
-     * @param file the file
-     * @param lastModified when it was last modified
-     * @param length its length
-     * @param sha1 its sha1
-     */
-    FileEntity(File file, long lastModified, long length, String sha1) {
-        mFile = file;
-        mLastModified = lastModified;
-        mLength = length;
-        mSha1 = sha1;
-    }
-
-    /**
-     * Creates an entity from a {@link File}.
-     *
-     * The sha1 is not computed yet, it'll be done on demand when {@link #getSha1()} is called.
-     *
-     * @param file the file.
-     */
-    FileEntity(File file) {
-        mFile = file;
-        mLastModified = file.lastModified();
-        mLength = file.length();
-    }
-
-    /**
-     * Returns the file's last modified info.
-     * @return the file's last modified info.
-     */
-    long getLastModified() {
-        return mLastModified;
-    }
-
-    /**
-     * Return the file length.
-     * @return the file length.
-     */
-    long getLength() {
-        return mLength;
-    }
-
-    /**
-     * Returns the file this entity represents.
-     * @return the file.
-     */
-    File getFile() {
-        return mFile;
-    }
-
-    /**
-     * Returns the file's sha1, computing it if necessary.
-     *
-     * @return the fha1 or null if it couldn't be computed.
-     */
-    String getSha1() {
-        try {
-            return computeAndReturnSha1();
-        } catch (Sha1Exception e) {
-            return null;
-        }
-    }
-
-    /**
-     * Checks whether the {@link File#lastModified()} matches the cached value. If not, length
-     * is updated and the sha1 is reset (but not recomputed, this is done on demand).
-     *
-     * @return return whether the file was changed.
-     */
-    private boolean checkValidity() {
-        if (mLastModified != mFile.lastModified()) {
-            mLength = mFile.length();
-            mSha1 = null;
-            return true;
-        }
-
-        return false;
-    }
-
-    /**
-     * Returns whether the two entity are different files.
-     *
-     * This will compute the files' sha1 if they are not yet computed.
-     *
-     * @param fileEntity the file to compare to.
-     * @return true if the files are the same, false otherwise.
-     */
-    public boolean isDifferentThan(FileEntity fileEntity) {
-        assert fileEntity.mFile.equals(mFile);
-
-        // same date, same files.
-        if (mLastModified == fileEntity.mLastModified) {
-            return false;
-        }
-
-        try {
-            // different date doesn't necessarily mean different file.
-            // start with size, less computing intensive than sha1.
-            return mLength != fileEntity.mLength ||
-                    !computeAndReturnSha1().equals(fileEntity.computeAndReturnSha1());
-        } catch (Sha1Exception e) {
-            // if we can't compute the sha1, we consider the files different.
-            return true;
-        }
-    }
-
-    /**
-     * Returns the file's sha1, computing it if necessary.
-     *
-     * @return the sha1
-     * @throws Sha1Exception
-     */
-    private String computeAndReturnSha1() throws Sha1Exception {
-        if (mSha1 == null) {
-            mSha1 = getSha1(mFile);
-        }
-        return mSha1;
-    }
-
-    /**
-     * Computes the sha1 of a file and returns it.
-     *
-     * @param f the file to compute the sha1 for.
-     * @return the sha1 value
-     * @throws Sha1Exception if the sha1 value cannot be computed.
-     */
-    static String getSha1(File f) throws Sha1Exception {
-        synchronized (sBuffer) {
-
-            try {
-                HashCode value = ByteStreams.hash(Files.newInputStreamSupplier(f), Hashing.sha1());
-                return value.toString();
-            } catch (Exception e) {
-                throw new Sha1Exception(f, e);
-            }
-        }
-    }
-
-    @Override
-    public String toString() {
-        return "FileEntity{" +
-                "mFile=" + mFile +
-                ", mLastModified=" + mLastModified +
-                ", mLength=" + mLength +
-                ", mSha1='" + mSha1 + '\'' +
-                '}';
-    }
-}