1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.print; 18 19 import android.os.Parcel; 20 import android.os.Parcelable; 21 import android.text.TextUtils; 22 23 import java.util.UUID; 24 25 /** 26 * This class represents the id of a print job. 27 */ 28 public final class PrintJobId implements Parcelable { 29 private final String mValue; 30 31 /** 32 * Creates a new instance. 33 * 34 * @hide 35 */ PrintJobId()36 public PrintJobId() { 37 this(UUID.randomUUID().toString()); 38 } 39 40 /** 41 * Creates a new instance. 42 * 43 * @param value The internal value. 44 * 45 * @hide 46 */ PrintJobId(String value)47 public PrintJobId(String value) { 48 mValue = value; 49 } 50 51 @Override hashCode()52 public int hashCode() { 53 final int prime = 31; 54 int result = 1; 55 result = prime * result + ((mValue != null) ? mValue.hashCode() : 0); 56 return result; 57 } 58 59 @Override equals(Object obj)60 public boolean equals(Object obj) { 61 if (this == obj) { 62 return true; 63 } 64 if (obj == null) { 65 return false; 66 } 67 if (getClass() != obj.getClass()) { 68 return false; 69 } 70 PrintJobId other = (PrintJobId) obj; 71 if (!TextUtils.equals(mValue, other.mValue)) { 72 return false; 73 } 74 return true; 75 } 76 77 @Override writeToParcel(Parcel parcel, int flags)78 public void writeToParcel(Parcel parcel, int flags) { 79 parcel.writeString(mValue); 80 } 81 82 @Override describeContents()83 public int describeContents() { 84 return 0; 85 } 86 87 /** 88 * Flattens this id to a string. 89 * 90 * @return The flattened id. 91 * 92 * @hide 93 */ flattenToString()94 public String flattenToString() { 95 return mValue; 96 } 97 98 /** 99 * Unflattens a print job id from a string. 100 * 101 * @string The string. 102 * @return The unflattened id, or null if the string is malformed. 103 * 104 * @hide 105 */ unflattenFromString(String string)106 public static PrintJobId unflattenFromString(String string) { 107 return new PrintJobId(string); 108 } 109 110 public static final Parcelable.Creator<PrintJobId> CREATOR = 111 new Parcelable.Creator<PrintJobId>() { 112 @Override 113 public PrintJobId createFromParcel(Parcel parcel) { 114 return new PrintJobId(parcel.readString()); 115 } 116 117 @Override 118 public PrintJobId[] newArray(int size) { 119 return new PrintJobId[size]; 120 } 121 }; 122 } 123