<checkpoints checkpoint_count="1">
<checkpoint checkpoint_name="New CheckPoint" ignore_blank_lines="false" modified_complexity="false" checkpoint_date="1999-08-31">
<file file_name="Plugin.java">
<metrics metric_count="15">
<metric id="M0">57</metric>
<metric id="M1">17</metric>
<metric id="M2">0.0</metric>
<metric id="M3">3</metric>
<metric id="M4">47.4</metric>
<metric id="M5">1</metric>
<metric id="M6">5.00</metric>
<metric id="M7">1.20</metric>
<metric id="M8">20</metric>
<metric id="M9">CheatsheetsPlugin.getImageDescriptor()</metric>
<metric id="M10">1</metric>
<metric id="M11">21</metric>
<metric id="M12">2</metric>
<metric id="M13">1.05</metric>
<metric id="M14">1.00</metric>
</metrics>
</file>
</checkpoint>
</checkpoints>
これは私のxmlファイルです。の値を読みたいmetric id='M14'
。すなわち。1.00
このタグの内容を読み取る方法は?