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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_POLICY_CORE_COMMON_SCHEMA_MAP_H_
#define COMPONENTS_POLICY_CORE_COMMON_SCHEMA_MAP_H_
#include <map>
#include <string>
#include "base/basictypes.h"
#include "base/memory/ref_counted.h"
#include "components/policy/core/common/policy_namespace.h"
#include "components/policy/core/common/schema.h"
#include "components/policy/policy_export.h"
namespace policy {
class PolicyBundle;
typedef std::map<std::string, Schema> ComponentMap;
typedef std::map<PolicyDomain, ComponentMap> DomainMap;
// Contains a mapping of policy namespaces (domain + component ID) to its
// corresponding Schema.
class POLICY_EXPORT SchemaMap : public base::RefCountedThreadSafe<SchemaMap> {
public:
SchemaMap();
// Takes ownership of |map| (its contents will be swapped).
explicit SchemaMap(DomainMap& map);
const DomainMap& GetDomains() const;
const ComponentMap* GetComponents(PolicyDomain domain) const;
const Schema* GetSchema(const PolicyNamespace& ns) const;
// Removes all the policies in |bundle| that don't match the known schemas.
// Unknown components are also dropped.
void FilterBundle(PolicyBundle* bundle) const;
// Returns true if this map contains at least one component of a domain other
// than POLICY_DOMAIN_CHROME.
bool HasComponents() const;
void GetChanges(const scoped_refptr<SchemaMap>& older,
PolicyNamespaceList* removed,
PolicyNamespaceList* added) const;
private:
friend class base::RefCountedThreadSafe<SchemaMap>;
void GetNamespacesNotInOther(const SchemaMap* other,
PolicyNamespaceList* list) const;
~SchemaMap();
DomainMap map_;
DISALLOW_COPY_AND_ASSIGN(SchemaMap);
};
} // namespace policy
#endif // COMPONENTS_POLICY_CORE_COMMON_SCHEMA_MAP_H_
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