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      1 package com.android.anqp;
      2 
      3 import java.net.ProtocolException;
      4 import java.nio.ByteBuffer;
      5 import java.nio.charset.StandardCharsets;
      6 
      7 import static com.android.anqp.Constants.SHORT_MASK;
      8 
      9 /**
     10  * The Icons available OSU Providers sub field, as specified in
     11  * Wi-Fi Alliance Hotspot 2.0 (Release 2) Technical Specification - Version 5.00,
     12  * section 4.8.1.4
     13  */
     14 public class IconInfo {
     15     private final int mWidth;
     16     private final int mHeight;
     17     private final String mLanguage;
     18     private final String mIconType;
     19     private final String mFileName;
     20 
     21     public IconInfo(ByteBuffer payload) throws ProtocolException {
     22         if (payload.remaining() < 9) {
     23             throw new ProtocolException("Truncated icon meta data");
     24         }
     25 
     26         mWidth = payload.getShort() & SHORT_MASK;
     27         mHeight = payload.getShort() & SHORT_MASK;
     28         mLanguage = Constants.getTrimmedString(payload,
     29                 Constants.LANG_CODE_LENGTH, StandardCharsets.US_ASCII);
     30         mIconType = Constants.getPrefixedString(payload, 1, StandardCharsets.US_ASCII);
     31         mFileName = Constants.getPrefixedString(payload, 1, StandardCharsets.UTF_8);
     32     }
     33 
     34     public int getWidth() {
     35         return mWidth;
     36     }
     37 
     38     public int getHeight() {
     39         return mHeight;
     40     }
     41 
     42     public String getLanguage() {
     43         return mLanguage;
     44     }
     45 
     46     public String getIconType() {
     47         return mIconType;
     48     }
     49 
     50     public String getFileName() {
     51         return mFileName;
     52     }
     53 
     54     @Override
     55     public boolean equals(Object thatObject) {
     56         if (this == thatObject) {
     57             return true;
     58         }
     59         if (thatObject == null || getClass() != thatObject.getClass()) {
     60             return false;
     61         }
     62 
     63         IconInfo that = (IconInfo) thatObject;
     64         return mHeight == that.mHeight &&
     65                 mWidth == that.mWidth &&
     66                 mFileName.equals(that.mFileName) &&
     67                 mIconType.equals(that.mIconType) &&
     68                 mLanguage.equals(that.mLanguage);
     69     }
     70 
     71     @Override
     72     public int hashCode() {
     73         int result = mWidth;
     74         result = 31 * result + mHeight;
     75         result = 31 * result + mLanguage.hashCode();
     76         result = 31 * result + mIconType.hashCode();
     77         result = 31 * result + mFileName.hashCode();
     78         return result;
     79     }
     80 
     81     @Override
     82     public String toString() {
     83         return "IconInfo{" +
     84                 "Width=" + mWidth +
     85                 ", Height=" + mHeight +
     86                 ", Language=" + mLanguage +
     87                 ", IconType='" + mIconType + '\'' +
     88                 ", FileName='" + mFileName + '\'' +
     89                 '}';
     90     }
     91 }
     92