1 /* 2 * Copyright (C) 2013 Google Inc. 3 * Licensed to The Android Open Source Project. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package com.android.mail.utils; 19 20 import android.net.Uri; 21 22 /** 23 * A holder for a Folder {@link Uri} that can be compared, ignoring any query parameters. 24 */ 25 public class FolderUri { 26 public static final FolderUri EMPTY = new FolderUri(Uri.EMPTY); 27 28 /** 29 * The full {@link Uri}. This should be used for any queries. 30 */ 31 public final Uri fullUri; 32 /** 33 * Equivalent to {@link #fullUri}, but without any query parameters, and can safely be used in 34 * comparisons to determine if two {@link Uri}s point to the same object. 35 */ 36 private Uri mComparisonUri = null; 37 FolderUri(final Uri uri)38 public FolderUri(final Uri uri) { 39 fullUri = uri; 40 } 41 buildComparisonUri(final Uri fullUri)42 private static Uri buildComparisonUri(final Uri fullUri) { 43 final Uri.Builder builder = new Uri.Builder(); 44 builder.scheme(fullUri .getScheme()); 45 builder.encodedAuthority(fullUri.getEncodedAuthority()); 46 builder.encodedPath(fullUri.getEncodedPath()); 47 48 return builder.build(); 49 } 50 getComparisonUri()51 public Uri getComparisonUri() { 52 if (mComparisonUri == null) { 53 mComparisonUri = buildComparisonUri(fullUri); 54 } 55 56 return mComparisonUri; 57 } 58 59 @Override hashCode()60 public int hashCode() { 61 return getComparisonUri().hashCode(); 62 } 63 64 @Override equals(final Object o)65 public boolean equals(final Object o) { 66 if (o instanceof FolderUri) { 67 return getComparisonUri().equals(((FolderUri) o).getComparisonUri()); 68 } 69 70 return getComparisonUri().equals(o); 71 } 72 73 @Override toString()74 public String toString() { 75 return fullUri.toString(); 76 } 77 } 78