这个接口的这个实现应该在扩展点中声明。
可以参考 JDT 本身的实现org.eclipse.jdt.internal.launching.JavaMigrationDelegate。
请注意启动快捷方式将配置类型指定为通过扩展定义的配置类型。
<extension
point="org.eclipse.debug.ui.launchShortcuts">
<shortcut
class="org.eclipse.jdt.debug.ui.launchConfigurations.JavaApplicationLaunchShortcut"
description="%JavaLaunchShortcut.description"
helpContextId="org.eclipse.jdt.debug.ui.shortcut_local_java_application"
icon="$nl$/icons/full/etool16/java_app.gif"
id="org.eclipse.jdt.debug.ui.localJavaShortcut"
label="%JavaApplicationShortcut.label"
modes="run, debug">
<contextualLaunch>
<enablement>
<with variable="selection">
<count value="1"/>
<iterate>
<and>
<adapt type="org.eclipse.jdt.core.IJavaElement">
<test property="org.eclipse.jdt.core.isInJavaProject"/>
</adapt>
<or>
<test property="org.eclipse.jdt.launching.hasMain"/>
<test property="org.eclipse.jdt.launching.isContainer"/>
<test property="org.eclipse.jdt.launching.isPackageFragment"/>
<test property="org.eclipse.jdt.launching.isPackageFragmentRoot"/>
</or>
</and>
</iterate>
</with>
</enablement>
</contextualLaunch>
<configurationType
id="org.eclipse.jdt.launching.localJavaApplication">
</configurationType>
<description
description="%RunJavaLaunchShortcut.description"
mode="run">
</description>
<description
description="%DebugJavaLaunchShortcut.description"
mode="debug">
</description>
</shortcut>