public int getAdvanceWidthMax() 
{
        return advanceWidthMax;
}

 public short getAscender() 
{
        return ascender;
}

 public short getCaretSlopeRise() 
{
        return caretSlopeRise;
}

 public short getCaretSlopeRun() 
{
        return caretSlopeRun;
}

 public short getDescender() 
{
        return descender;
}

 public short getLineGap() 
{
        return lineGap;
}

 public short getMetricDataFormat() 
{
        return metricDataFormat;
}

 public short getMinLeftSideBearing() 
{
        return minLeftSideBearing;
}

 public short getMinRightSideBearing() 
{
        return minRightSideBearing;
}

 public int getNumberOfHMetrics() 
{
        return numberOfHMetrics;
}

 public short getReserved1() 
{
        return reserved1;
}

 public short getReserved2() 
{
        return reserved2;
}

 public short getReserved3() 
{
        return reserved3;
}

 public short getReserved4() 
{
        return reserved4;
}

 public short getReserved5() 
{
        return reserved5;
}

 public float getVersion() 
{
        return version;
}

 public short getXMaxExtent() 
{
        return xMaxExtent;
}

 public  void initData(TrueTypeFont ttf,
    TTFDataStream data) throws IOException 
{
        version = data.read32Fixed();
        ascender = data.readSignedShort();
        descender = data.readSignedShort();
        lineGap = data.readSignedShort();
        advanceWidthMax = data.readUnsignedShort();
        minLeftSideBearing = data.readSignedShort();
        minRightSideBearing = data.readSignedShort();
        xMaxExtent = data.readSignedShort();
        caretSlopeRise = data.readSignedShort();
        caretSlopeRun = data.readSignedShort();
        reserved1 = data.readSignedShort();
        reserved2 = data.readSignedShort();
        reserved3 = data.readSignedShort();
        reserved4 = data.readSignedShort();
        reserved5 = data.readSignedShort();
        metricDataFormat = data.readSignedShort();
        numberOfHMetrics = data.readUnsignedShort();
}

This will read the required data from the stream.

 public  void setAdvanceWidthMax(int advanceWidthMaxValue) 
{
        this.advanceWidthMax = advanceWidthMaxValue;
}

 public  void setAscender(short ascenderValue) 
{
        this.ascender = ascenderValue;
}

 public  void setCaretSlopeRise(short caretSlopeRiseValue) 
{
        this.caretSlopeRise = caretSlopeRiseValue;
}

 public  void setCaretSlopeRun(short caretSlopeRunValue) 
{
        this.caretSlopeRun = caretSlopeRunValue;
}

 public  void setDescender(short descenderValue) 
{
        this.descender = descenderValue;
}

 public  void setLineGap(short lineGapValue) 
{
        this.lineGap = lineGapValue;
}

 public  void setMetricDataFormat(short metricDataFormatValue) 
{
        this.metricDataFormat = metricDataFormatValue;
}

 public  void setMinLeftSideBearing(short minLeftSideBearingValue) 
{
        this.minLeftSideBearing = minLeftSideBearingValue;
}

 public  void setMinRightSideBearing(short minRightSideBearingValue) 
{
        this.minRightSideBearing = minRightSideBearingValue;
}

 public  void setNumberOfHMetrics(int numberOfHMetricsValue) 
{
        this.numberOfHMetrics = numberOfHMetricsValue;
}

 public  void setReserved1(short reserved1Value) 
{
        this.reserved1 = reserved1Value;
}

 public  void setReserved2(short reserved2Value) 
{
        this.reserved2 = reserved2Value;
}

 public  void setReserved3(short reserved3Value) 
{
        this.reserved3 = reserved3Value;
}

 public  void setReserved4(short reserved4Value) 
{
        this.reserved4 = reserved4Value;
}

 public  void setReserved5(short reserved5Value) 
{
        this.reserved5 = reserved5Value;
}

 public  void setVersion(float versionValue) 
{
        this.version = versionValue;
}

 public  void setXMaxExtent(short maxExtentValue) 
{
        xMaxExtent = maxExtentValue;
}