✨ 完善工具类

blade-core-tool/src/main/java/org/springblade/core/tool/jackson/JsonUtil.java

@@ -17,18 +17,21 @@ package org.springblade.core.tool.jackson;
 
 import com.fasterxml.jackson.core.JsonParser;
 import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.core.TreeNode;
 import com.fasterxml.jackson.core.json.JsonReadFeature;
 import com.fasterxml.jackson.core.type.TypeReference;
-import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.*;
-import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ArrayNode;
-import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
-import com.fasterxml.jackson.databind.SerializationFeature;
+import com.fasterxml.jackson.databind.type.CollectionLikeType;
+import com.fasterxml.jackson.databind.type.MapType;
 import lombok.extern.slf4j.Slf4j;
 import org.springblade.core.tool.utils.*;
 import org.springframework.lang.Nullable;
 
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.Reader;
 import java.text.SimpleDateFormat;
 import java.time.ZoneId;
 import java.util.*;
@@ -266,7 +269,6 @@ public class JsonUtil {
 		}
 	}
 
-
 	/**
 	 * 将json byte 数组反序列化成对象
 	 *
@@ -401,12 +403,452 @@ public class JsonUtil {
 		}
 	}
 
+	/**
+	 * clazz 获取 JavaType
+	 *
+	 * @param clazz Class
+	 * @return MapType
+	 */
+	public static JavaType getType(Class<?> clazz) {
+		return getInstance().getTypeFactory().constructType(clazz);
+	}
+
+	/**
+	 * 封装 map type，keyClass String
+	 *
+	 * @param valueClass value 类型
+	 * @return MapType
+	 */
+	public static MapType getMapType(Class<?> valueClass) {
+		return getMapType(String.class, valueClass);
+	}
+
+	/**
+	 * 封装 map type
+	 *
+	 * @param keyClass   key 类型
+	 * @param valueClass value 类型
+	 * @return MapType
+	 */
+	public static MapType getMapType(Class<?> keyClass, Class<?> valueClass) {
+		return getInstance().getTypeFactory().constructMapType(Map.class, keyClass, valueClass);
+	}
+
+	/**
+	 * 封装 map type
+	 *
+	 * @param elementClass 集合值类型
+	 * @return CollectionLikeType
+	 */
+	public static CollectionLikeType getListType(Class<?> elementClass) {
+		return getInstance().getTypeFactory().constructCollectionLikeType(List.class, elementClass);
+	}
+
+	/**
+	 * 封装参数化类型
+	 *
+	 * <p>
+	 * 例如： Map.class, String.class, String.class 对应 Map[String, String]
+	 * </p>
+	 *
+	 * @param parametrized     泛型参数化
+	 * @param parameterClasses 泛型参数类型
+	 * @return JavaType
+	 */
+	public static JavaType getParametricType(Class<?> parametrized, Class<?>... parameterClasses) {
+		return getInstance().getTypeFactory().constructParametricType(parametrized, parameterClasses);
+	}
+
+	/**
+	 * 封装参数化类型，用来构造复杂的泛型
+	 *
+	 * <p>
+	 * 例如： Map.class, String.class, String.class 对应 Map[String, String]
+	 * </p>
+	 *
+	 * @param parametrized   泛型参数化
+	 * @param parameterTypes 泛型参数类型
+	 * @return JavaType
+	 */
+	public static JavaType getParametricType(Class<?> parametrized, JavaType... parameterTypes) {
+		return getInstance().getTypeFactory().constructParametricType(parametrized, parameterTypes);
+	}
+
+
+	/**
+	 * 读取集合
+	 *
+	 * @param content      bytes
+	 * @param elementClass elementClass
+	 * @param <T>          泛型
+	 * @return 集合
+	 */
+	public static <T> List<T> readList(@Nullable byte[] content, Class<T> elementClass) {
+		if (content == null || content.length == 0) {
+			return Collections.emptyList();
+		}
+		try {
+			return getInstance().readValue(content, getListType(elementClass));
+		} catch (IOException e) {
+			throw Exceptions.unchecked(e);
+		}
+	}
+
+	/**
+	 * 读取集合
+	 *
+	 * @param content      InputStream
+	 * @param elementClass elementClass
+	 * @param <T>          泛型
+	 * @return 集合
+	 */
+	public static <T> List<T> readList(@Nullable InputStream content, Class<T> elementClass) {
+		if (content == null) {
+			return Collections.emptyList();
+		}
+		try {
+			return getInstance().readValue(content, getListType(elementClass));
+		} catch (IOException e) {
+			throw Exceptions.unchecked(e);
+		}
+	}
+
+	/**
+	 * 读取集合
+	 *
+	 * @param reader       java.io.Reader
+	 * @param elementClass elementClass
+	 * @param <T>          泛型
+	 * @return 集合
+	 */
+	public static <T> List<T> readList(@Nullable Reader reader, Class<T> elementClass) {
+		if (reader == null) {
+			return Collections.emptyList();
+		}
+		try {
+			return getInstance().readValue(reader, getListType(elementClass));
+		} catch (IOException e) {
+			throw Exceptions.unchecked(e);
+		}
+	}
+
+	/**
+	 * 读取集合
+	 *
+	 * @param content      bytes
+	 * @param elementClass elementClass
+	 * @param <T>          泛型
+	 * @return 集合
+	 */
+	public static <T> List<T> readList(@Nullable String content, Class<T> elementClass) {
+		if (StringUtil.isBlank(content)) {
+			return Collections.emptyList();
+		}
+		try {
+			return getInstance().readValue(content, getListType(elementClass));
+		} catch (IOException e) {
+			throw Exceptions.unchecked(e);
+		}
+	}
+
+	/**
+	 * 读取集合
+	 *
+	 * @param content bytes
+	 * @return 集合
+	 */
+	public static Map<String, Object> readMap(@Nullable byte[] content) {
+		return readMap(content, Object.class);
+	}
+
+	/**
+	 * 读取集合
+	 *
+	 * @param content InputStream
+	 * @return 集合
+	 */
+	public static Map<String, Object> readMap(@Nullable InputStream content) {
+		return readMap(content, Object.class);
+	}
+
+	/**
+	 * 读取集合
+	 *
+	 * @param reader java.io.Reader
+	 * @return 集合
+	 */
+	public static Map<String, Object> readMap(@Nullable Reader reader) {
+		return readMap(reader, Object.class);
+	}
+
+	/**
+	 * 读取集合
+	 *
+	 * @param content bytes
+	 * @return 集合
+	 */
+	public static Map<String, Object> readMap(@Nullable String content) {
+		return readMap(content, Object.class);
+	}
+
+	/**
+	 * 读取集合
+	 *
+	 * @param content    bytes
+	 * @param valueClass 值类型
+	 * @param <V>        泛型
+	 * @return 集合
+	 */
+	public static <V> Map<String, V> readMap(@Nullable byte[] content, Class<?> valueClass) {
+		return readMap(content, String.class, valueClass);
+	}
+
+	/**
+	 * 读取集合
+	 *
+	 * @param content    InputStream
+	 * @param valueClass 值类型
+	 * @param <V>        泛型
+	 * @return 集合
+	 */
+	public static <V> Map<String, V> readMap(@Nullable InputStream content, Class<?> valueClass) {
+		return readMap(content, String.class, valueClass);
+	}
+
+	/**
+	 * 读取集合
+	 *
+	 * @param reader     java.io.Reader
+	 * @param valueClass 值类型
+	 * @param <V>        泛型
+	 * @return 集合
+	 */
+	public static <V> Map<String, V> readMap(@Nullable Reader reader, Class<?> valueClass) {
+		return readMap(reader, String.class, valueClass);
+	}
+
+	/**
+	 * 读取集合
+	 *
+	 * @param content    bytes
+	 * @param valueClass 值类型
+	 * @param <V>        泛型
+	 * @return 集合
+	 */
+	public static <V> Map<String, V> readMap(@Nullable String content, Class<?> valueClass) {
+		return readMap(content, String.class, valueClass);
+	}
+
+	/**
+	 * 读取集合
+	 *
+	 * @param content    bytes
+	 * @param keyClass   key类型
+	 * @param valueClass 值类型
+	 * @param <K>        泛型
+	 * @param <V>        泛型
+	 * @return 集合
+	 */
+	public static <K, V> Map<K, V> readMap(@Nullable byte[] content, Class<?> keyClass, Class<?> valueClass) {
+		if (content == null || content.length == 0) {
+			return Collections.emptyMap();
+		}
+		try {
+			return getInstance().readValue(content, getMapType(keyClass, valueClass));
+		} catch (IOException e) {
+			throw Exceptions.unchecked(e);
+		}
+	}
+
+	/**
+	 * 读取集合
+	 *
+	 * @param content    InputStream
+	 * @param keyClass   key类型
+	 * @param valueClass 值类型
+	 * @param <K>        泛型
+	 * @param <V>        泛型
+	 * @return 集合
+	 */
+	public static <K, V> Map<K, V> readMap(@Nullable InputStream content, Class<?> keyClass, Class<?> valueClass) {
+		if (content == null) {
+			return Collections.emptyMap();
+		}
+		try {
+			return getInstance().readValue(content, getMapType(keyClass, valueClass));
+		} catch (IOException e) {
+			throw Exceptions.unchecked(e);
+		}
+	}
+
+	/**
+	 * 读取集合
+	 *
+	 * @param reader     java.io.Reader
+	 * @param keyClass   key类型
+	 * @param valueClass 值类型
+	 * @param <K>        泛型
+	 * @param <V>        泛型
+	 * @return 集合
+	 */
+	public static <K, V> Map<K, V> readMap(@Nullable Reader reader, Class<?> keyClass, Class<?> valueClass) {
+		if (reader == null) {
+			return Collections.emptyMap();
+		}
+		try {
+			return getInstance().readValue(reader, getMapType(keyClass, valueClass));
+		} catch (IOException e) {
+			throw Exceptions.unchecked(e);
+		}
+	}
+
+	/**
+	 * 读取集合
+	 *
+	 * @param content    bytes
+	 * @param keyClass   key类型
+	 * @param valueClass 值类型
+	 * @param <K>        泛型
+	 * @param <V>        泛型
+	 * @return 集合
+	 */
+	public static <K, V> Map<K, V> readMap(@Nullable String content, Class<?> keyClass, Class<?> valueClass) {
+		if (StringUtil.isBlank(content)) {
+			return Collections.emptyMap();
+		}
+		try {
+			return getInstance().readValue(content, getMapType(keyClass, valueClass));
+		} catch (IOException e) {
+			throw Exceptions.unchecked(e);
+		}
+	}
+
+	/**
+	 * jackson 的类型转换
+	 *
+	 * @param fromValue   来源对象
+	 * @param toValueType 转换的类型
+	 * @param <T>         泛型标记
+	 * @return 转换结果
+	 */
+	public static <T> T convertValue(Object fromValue, Class<T> toValueType) {
+		return getInstance().convertValue(fromValue, toValueType);
+	}
+
+	/**
+	 * jackson 的类型转换
+	 *
+	 * @param fromValue   来源对象
+	 * @param toValueType 转换的类型
+	 * @param <T>         泛型标记
+	 * @return 转换结果
+	 */
+	public static <T> T convertValue(Object fromValue, JavaType toValueType) {
+		return getInstance().convertValue(fromValue, toValueType);
+	}
+
+	/**
+	 * jackson 的类型转换
+	 *
+	 * @param fromValue      来源对象
+	 * @param toValueTypeRef 泛型类型
+	 * @param <T>            泛型标记
+	 * @return 转换结果
+	 */
+	public static <T> T convertValue(Object fromValue, TypeReference<T> toValueTypeRef) {
+		return getInstance().convertValue(fromValue, toValueTypeRef);
+	}
+
+	/**
+	 * tree 转对象
+	 *
+	 * @param treeNode  TreeNode
+	 * @param valueType valueType
+	 * @param <T>       泛型标记
+	 * @return 转换结果
+	 */
+	public static <T> T treeToValue(TreeNode treeNode, Class<T> valueType) {
+		try {
+			return getInstance().treeToValue(treeNode, valueType);
+		} catch (JsonProcessingException e) {
+			throw Exceptions.unchecked(e);
+		}
+	}
+
+	/**
+	 * tree 转对象
+	 *
+	 * @param treeNode  TreeNode
+	 * @param valueType valueType
+	 * @param <T>       泛型标记
+	 * @return 转换结果
+	 */
+	public static <T> T treeToValue(TreeNode treeNode, JavaType valueType) {
+		try {
+			return getInstance().treeToValue(treeNode, valueType);
+		} catch (JsonProcessingException e) {
+			throw Exceptions.unchecked(e);
+		}
+	}
+
+	/**
+	 * 对象转 tree
+	 *
+	 * @param fromValue fromValue
+	 * @param <T>       泛型标记
+	 * @return 转换结果
+	 */
+	public static <T extends JsonNode> T valueToTree(@Nullable Object fromValue) {
+		return getInstance().valueToTree(fromValue);
+	}
+
+	/**
+	 * 判断是否可以序列化
+	 *
+	 * @param value 对象
+	 * @return 是否可以序列化
+	 */
+	public static boolean canSerialize(@Nullable Object value) {
+		if (value == null) {
+			return true;
+		}
+		return getInstance().canSerialize(value.getClass());
+	}
+
+	/**
+	 * 判断是否可以反序列化
+	 *
+	 * @param type JavaType
+	 * @return 是否可以反序列化
+	 */
+	public static boolean canDeserialize(JavaType type) {
+		return getInstance().canDeserialize(type);
+	}
+
+	/**
+	 * 创建 ObjectNode
+	 *
+	 * @return ObjectNode
+	 */
+	public static ObjectNode createObjectNode() {
+		return getInstance().createObjectNode();
+	}
+
+	/**
+	 * 创建 ArrayNode
+	 *
+	 * @return ArrayNode
+	 */
+	public static ArrayNode createArrayNode() {
+		return getInstance().createArrayNode();
+	}
+
 	public static ObjectMapper getInstance() {
 		return JacksonHolder.INSTANCE;
 	}
 
 	private static class JacksonHolder {
-		private static ObjectMapper INSTANCE = new JacksonObjectMapper();
+		private static final ObjectMapper INSTANCE = new JacksonObjectMapper();
 	}
 
 	public static class JacksonObjectMapper extends ObjectMapper {

blade-core-tool/src/main/java/org/springblade/core/tool/utils/ResourceUtil.java

@@ -15,11 +15,7 @@
  */
 package org.springblade.core.tool.utils;
 
-import org.springframework.core.io.ClassPathResource;
+import org.springframework.core.io.*;
-import org.springframework.core.io.FileSystemResource;
-import org.springframework.core.io.Resource;
-import org.springframework.core.io.UrlResource;
-import org.springframework.core.io.support.ResourcePatternResolver;
 import org.springframework.util.Assert;
 
 import java.io.IOException;
@@ -42,7 +38,6 @@ public class ResourceUtil extends org.springframework.util.ResourceUtils {
 	 * 2. file:
 	 * 3. ftp:
 	 * 4. http: and https:
-	 * 5. classpath*:
 	 * 6. C:/dir1/ and /Users/lcm
 	 * </p>
 	 *
@@ -53,7 +48,8 @@ public class ResourceUtil extends org.springframework.util.ResourceUtils {
 	public static Resource getResource(String resourceLocation) throws IOException {
 		Assert.notNull(resourceLocation, "Resource location must not be null");
 		if (resourceLocation.startsWith(CLASSPATH_URL_PREFIX)) {
-			return new ClassPathResource(resourceLocation);
+			String path = resourceLocation.substring(CLASSPATH_URL_PREFIX.length());
+			return new ClassPathResource(path);
 		}
 		if (resourceLocation.startsWith(FTP_URL_PREFIX)) {
 			return new UrlResource(resourceLocation);
@@ -61,10 +57,25 @@ public class ResourceUtil extends org.springframework.util.ResourceUtils {
 		if (resourceLocation.matches(HTTP_REGEX)) {
 			return new UrlResource(resourceLocation);
 		}
-		if (resourceLocation.startsWith(ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX)) {
+		if (resourceLocation.startsWith(FILE_URL_PREFIX)) {
-			return SpringUtil.getContext().getResource(resourceLocation);
+			return new FileUrlResource(resourceLocation);
 		}
 		return new FileSystemResource(resourceLocation);
 	}
 
+	/**
+	 * 读取资源文件为字符串
+	 *
+	 * @param resourceLocation 资源文件地址
+	 * @return 字符串
+	 */
+	public static String getAsString(String resourceLocation) {
+		try {
+			Resource resource = getResource(resourceLocation);
+			return IoUtil.toString(resource.getInputStream());
+		} catch (IOException e) {
+			throw Exceptions.unchecked(e);
+		}
+	}
+
 }

blade-core-tool/src/main/java/org/springblade/core/tool/utils/RuntimeUtil.java

@@ -0,0 +1,91 @@
+/**
+ * Copyright (c) 2018-2028, DreamLu 卢春梦 (qq596392912@gmail.com).
+ * <p>
+ * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.gnu.org/licenses/lgpl.html
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springblade.core.tool.utils;
+
+
+import java.lang.management.ManagementFactory;
+import java.time.Duration;
+import java.time.Instant;
+import java.util.List;
+
+/**
+ * 运行时工具类
+ *
+ * @author L.cm
+ */
+public class RuntimeUtil {
+	private static volatile int pId = -1;
+	private static final int CPU_NUM = Runtime.getRuntime().availableProcessors();
+
+	/**
+	 * 获得当前进程的PID
+	 * <p>
+	 * 当失败时返回-1
+	 *
+	 * @return pid
+	 */
+	public static int getPId() {
+		if (pId > 0) {
+			return pId;
+		}
+		// something like '<pid>@<hostname>', at least in SUN / Oracle JVMs
+		final String jvmName = ManagementFactory.getRuntimeMXBean().getName();
+		final int index = jvmName.indexOf(CharPool.AT);
+		if (index > 0) {
+			pId = NumberUtil.toInt(jvmName.substring(0, index), -1);
+			return pId;
+		}
+		return pId;
+	}
+
+	/**
+	 * 返回应用启动的时间
+	 *
+	 * @return {Instant}
+	 */
+	public static Instant getStartTime() {
+		return Instant.ofEpochMilli(ManagementFactory.getRuntimeMXBean().getStartTime());
+	}
+
+	/**
+	 * 返回应用启动到现在的时间
+	 *
+	 * @return {Duration}
+	 */
+	public static Duration getUpTime() {
+		return Duration.ofMillis(ManagementFactory.getRuntimeMXBean().getUptime());
+	}
+
+	/**
+	 * 返回输入的JVM参数列表
+	 *
+	 * @return jvm参数
+	 */
+	public static String getJvmArguments() {
+		List<String> vmArguments = ManagementFactory.getRuntimeMXBean().getInputArguments();
+		return StringUtil.join(vmArguments, StringPool.SPACE);
+	}
+
+	/**
+	 * 获取CPU核数
+	 *
+	 * @return cpu count
+	 */
+	public static int getCpuNum() {
+		return CPU_NUM;
+	}
+
+}