[add] Add parameter validators and their corresponding tests

[Aias00]

What's changed?

Checklist

• I have read the Contributing Guide
• I have written the necessary doc or comment.
• I have added the necessary unit tests and all cases have passed.

Add or update API

• I have added the necessary e2e tests and all cases have passed.

[github-actions]

license-eye has checked 3565 files.

Valid	Invalid	Ignored	Fixed
1837	10	1718	0

Click to see the invalid file list

• hertzbeat-manager/src/test/java/org/apache/hertzbeat/manager/component/validator/ParamValidatorManagerTest.java
• hertzbeat-manager/src/test/java/org/apache/hertzbeat/manager/component/validator/impl/BooleanParamValidatorTest.java
• hertzbeat-manager/src/test/java/org/apache/hertzbeat/manager/component/validator/impl/HostParamValidatorAdapterTest.java
• hertzbeat-manager/src/test/java/org/apache/hertzbeat/manager/component/validator/impl/HostParamValidatorTest.java
• hertzbeat-manager/src/test/java/org/apache/hertzbeat/manager/component/validator/impl/JsonParamValidatorTest.java
• hertzbeat-manager/src/test/java/org/apache/hertzbeat/manager/component/validator/impl/NumberParamValidatorTest.java
• hertzbeat-manager/src/test/java/org/apache/hertzbeat/manager/component/validator/impl/OptionParamValidatorTest.java
• hertzbeat-manager/src/test/java/org/apache/hertzbeat/manager/component/validator/impl/PasswordParamValidatorTest.java
• hertzbeat-manager/src/test/java/org/apache/hertzbeat/manager/component/validator/impl/TextParamValidatorTest.java
• hertzbeat-manager/src/test/java/org/apache/hertzbeat/manager/service/helper/MonitorImExportHelperTest.java

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[Copilot]

Pull request overview

This pull request refactors the parameter validation logic in HertzBeat by introducing a validator pattern with dedicated parameter validator classes and comprehensive test coverage.

Key Changes:

• Extracts inline validation logic from MonitorServiceImpl into dedicated validator classes using the Strategy pattern
• Creates a ParamValidatorManager to coordinate validation across different parameter types
• Extracts monitor import/export logic into a separate MonitorImExportHelper class for better separation of concerns

Reviewed changes

Copilot reviewed 24 out of 24 changed files in this pull request and generated 8 comments.

Show a summary per file

File	Description
ParamValidator.java	Defines the validator interface for parameter validation
ParamValidatorManager.java	Manages and delegates validation to appropriate validators
TextParamValidator.java	Validates text and textarea parameter types with length limits
PasswordParamValidator.java	Handles password encryption and validation
OptionParamValidator.java	Validates radio and checkbox options against defined choices
NumberParamValidator.java	Validates numeric parameters and range constraints
JsonParamValidator.java	Validates JSON format for metrics-field and key-value types
HostParamValidatorAdapter.java	Delegates host validation to existing common validator
BooleanParamValidator.java	Validates boolean parameter values
ArrayParamValidator.java	Validates array parameters and strips brackets
MonitorImExportHelper.java	Extracts import/export logic from MonitorServiceImpl for better modularity
MonitorServiceImpl.java	Refactored to use ParamValidatorManager and MonitorImExportHelper, removing 100+ lines of inline validation code
MonitorServiceTest.java	Updated to mock ParamValidatorManager and MonitorImExportHelper
MonitorImExportHelperTest.java	Tests for the new import/export helper class
*ParamValidatorTest.java (multiple)	Comprehensive unit tests for each validator implementation

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[Copilot]

This test references a HostParamValidator class that does not exist in the main source code. The only host validator implementation is HostParamValidatorAdapter. Either create the HostParamValidator class or update this test to use HostParamValidatorAdapter instead.