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