package com.android.anqp; import java.net.ProtocolException; import java.nio.ByteBuffer; import java.nio.charset.StandardCharsets; import static com.android.anqp.Constants.SHORT_MASK; /** * The Icons available OSU Providers sub field, as specified in * Wi-Fi Alliance Hotspot 2.0 (Release 2) Technical Specification - Version 5.00, * section 4.8.1.4 */ public class IconInfo { private final int mWidth; private final int mHeight; private final String mLanguage; private final String mIconType; private final String mFileName; public IconInfo(ByteBuffer payload) throws ProtocolException { if (payload.remaining() < 9) { throw new ProtocolException("Truncated icon meta data"); } mWidth = payload.getShort() & SHORT_MASK; mHeight = payload.getShort() & SHORT_MASK; mLanguage = Constants.getTrimmedString(payload, Constants.LANG_CODE_LENGTH, StandardCharsets.US_ASCII); mIconType = Constants.getPrefixedString(payload, 1, StandardCharsets.US_ASCII); mFileName = Constants.getPrefixedString(payload, 1, StandardCharsets.UTF_8); } public int getWidth() { return mWidth; } public int getHeight() { return mHeight; } public String getLanguage() { return mLanguage; } public String getIconType() { return mIconType; } public String getFileName() { return mFileName; } @Override public boolean equals(Object thatObject) { if (this == thatObject) { return true; } if (thatObject == null || getClass() != thatObject.getClass()) { return false; } IconInfo that = (IconInfo) thatObject; return mHeight == that.mHeight && mWidth == that.mWidth && mFileName.equals(that.mFileName) && mIconType.equals(that.mIconType) && mLanguage.equals(that.mLanguage); } @Override public int hashCode() { int result = mWidth; result = 31 * result + mHeight; result = 31 * result + mLanguage.hashCode(); result = 31 * result + mIconType.hashCode(); result = 31 * result + mFileName.hashCode(); return result; } @Override public String toString() { return "IconInfo{" + "Width=" + mWidth + ", Height=" + mHeight + ", Language=" + mLanguage + ", IconType='" + mIconType + '\'' + ", FileName='" + mFileName + '\'' + '}'; } }