/**
* Indicates whether the given dependency is registered without checking dependency version , by
* checking the result of {@link Dependency#equals(Object)}.
*
* @param dependency the dependency to check (can be <code>null</code>)
* @return <code>false</code> if a <code>null</code> dependency is given
*/
public boolean isDependencyRegistered(final Dependency dependency, boolean checkVersion) {
if (checkVersion) {
return dependency != null && dependencies.contains(dependency);
}
boolean registered = false;
Iterator<Dependency> it = dependencies.iterator();
while (it.hasNext()) {
Dependency dp = it.next();
if (dependency.getGroupId().equals(dp.getGroupId())
&& dependency.getArtifactId().equals(dp.getArtifactId())) {
registered = true;
break;
}
}
return dependency != null && registered;
}
/**
* Locates any dependencies which match the presented dependency, excluding the version number.
* This is useful for upgrade use cases, where it is necessary to remove any dependencies with the
* same group id, artifact id, and type as the dependency being upgraded to.
*
* @param dependency to locate (can be <code>null</code>)
* @return any matching dependencies (never returns null, but may return an empty {@link Set})
*/
public Set<Dependency> getDependenciesExcludingVersion(final Dependency dependency) {
final Set<Dependency> result = new HashSet<Dependency>();
for (final Dependency d : dependencies) {
if (dependency != null
&& dependency.getArtifactId().equals(d.getArtifactId())
&& dependency.getGroupId().equals(d.getGroupId())
&& dependency.getType().equals(d.getType())) {
result.add(d);
}
}
return result;
}
/**
* Indicates whether it's valid to add the given {@link Dependency} to this POM.
*
* @param newDependency the {@link Dependency} to check (can be <code>null</code>)
* @return see above
* @since 1.2.1
*/
public boolean canAddDependency(final Dependency newDependency) {
return newDependency != null
&& !isDependencyRegistered(newDependency, false)
&& !Dependency.isHigherLevel(newDependency.getType().toString(), packaging);
}
