Example usage for com.google.common.collect Sets symmetricDifference

Introduction

In this page you can find the example usage for com.google.common.collect Sets symmetricDifference.

Prototype

public static <E> SetView<E> symmetricDifference(final Set<? extends E> set1, final Set<? extends E> set2)

Source Link

Document

Returns an unmodifiable view of the symmetric difference of two sets.

Usage

From source file:org.artifactory.security.SecurityServiceImpl.java

/**
 * Validates that the edited given permission target is not different from the existing one. This method should be
 * called before an ACL is being modified by a non-sys-admin user
 *
 * @param newInfo Edited permission target
 * @throws AuthorizationException Thrown in case an unauthorized modification has occurred
 *//*from  w w w .  j  a v  a  2s.  co m*/
private void validateUnmodifiedPermissionTarget(PermissionTargetInfo newInfo) throws AuthorizationException {
    if (newInfo == null) {
        return;
    }

    AclInfo oldAcl = getAcl(newInfo);
    if (oldAcl == null) {
        return;
    }

    PermissionTargetInfo oldInfo = oldAcl.getPermissionTarget();
    if (oldInfo == null) {
        return;
    }

    Sets.SetView<String> excludes = Sets.symmetricDifference(Sets.newHashSet(oldInfo.getExcludes()),
            Sets.newHashSet(newInfo.getExcludes()));
    if (excludes != null && !excludes.isEmpty()) {
        alertModifiedField("excludes");
    }

    if (!oldInfo.getExcludesPattern().equals(newInfo.getExcludesPattern())) {
        alertModifiedField("excludes pattern");
    }

    Sets.SetView<String> includes = Sets.symmetricDifference(Sets.newHashSet(oldInfo.getIncludes()),
            Sets.newHashSet(newInfo.getIncludes()));
    if (includes != null && !includes.isEmpty()) {
        alertModifiedField("includes");
    }

    if (!oldInfo.getIncludesPattern().equals(newInfo.getIncludesPattern())) {
        alertModifiedField("includes pattern");
    }
    // make repo keys compatible with acl cached data
    List<String> compatibleRepoKeys = makeRemoteRepoKeysAclCompatible(newInfo.getRepoKeys());
    // validate repo keys data , make sure that old repo data and new repo data is the same
    Sets.SetView<String> repoKeys = Sets.symmetricDifference(Sets.newHashSet(oldInfo.getRepoKeys()),
            Sets.newHashSet(compatibleRepoKeys));
    if (repoKeys != null && !repoKeys.isEmpty()) {
        alertModifiedField("repositories");
    }
}