Example usage for org.apache.shiro.authz.permission PermissionResolver resolvePermission

Introduction

In this page you can find the example usage for org.apache.shiro.authz.permission PermissionResolver resolvePermission.

Prototype

Permission resolvePermission(String permissionString);

Source Link

Document

Resolves a Permission based on the given String representation.

Usage

From source file:com.stormpath.shiro.realm.CustomDataPermissionResolver.java

License:Apache License

/**
 * Returns a set of Shiro {@link Permission} instances stored in the specified {@link CustomData} resource.  This
 * implementation will://  ww  w. ja va  2  s  . c o m
 * <ol>
 * <li>{@link #getPermissionStrings(com.stormpath.sdk.directory.CustomData) Get all permission strings} stored
 * in the CustomData instance</li>
 * <li>Loop over these strings, and for each one, create a {@link Permission} instance using the
 * {@link #getPermissionResolver() permissionResolver} property.</li>
 * <li>Return the total constructed Set of Permission instances to the caller.</li>
 * </ol>
 *
 * @param customData the CustomData instance that may contain permission strings to obtain
 * @return a set of Shiro {@link Permission} instances stored in the specified {@link CustomData} resource.
 */
protected Set<Permission> getPermissions(CustomData customData) {

    Set<String> permStrings = getPermissionStrings(customData);

    if (CollectionUtils.isEmpty(permStrings)) {
        return Collections.emptySet();
    }

    PermissionResolver permissionResolver = getPermissionResolver();

    Set<Permission> perms = new HashSet<Permission>(permStrings.size());

    for (String s : permStrings) {
        Permission perm = permissionResolver.resolvePermission(s);
        perms.add(perm);
    }

    return perms;
}

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