com.github.jchanghong.io.IOHelper.kt Maven / Gradle / Ivy

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package com.github.jchanghong.io

import cn.hutool.core.io.IoUtil
import cn.hutool.core.io.resource.FileResource
import cn.hutool.core.io.resource.ResourceUtil
import cn.hutool.core.util.CharsetUtil
import org.springframework.core.io.Resource
import org.springframework.core.io.support.PathMatchingResourcePatternResolver
import org.springframework.core.io.support.ResourcePatternResolver
import java.io.File
import java.io.IOException
import java.io.InputStream

object IOHelper {
	private val resourceResolver: ResourcePatternResolver = PathMatchingResourcePatternResolver()

	/**PathMatchingResourcePatternResolver */
	fun getResources(location: String?): Array {
		return try {
			if (location.isNullOrBlank()) return emptyArray()
			resourceResolver.getResources(location)
		} catch (e: IOException) {
			arrayOfNulls(0)
		}
	}

	/** PathMatchingResourcePatternResolver*/
	fun resolveMapperLocations(vararg mapperLocations: String): Array? {
		if (mapperLocations.isNullOrEmpty()) return emptyArray()
		return mapperLocations.flatMap { getResources(it).toList() }.toTypedArray()
	}

	fun readMore(classPathORfilepath: String?): String {
		var stream: InputStream? = null
		stream = try {
			FileResource(File(classPathORfilepath)).stream
		} catch (e: Exception) {
			ResourceUtil.getStream(classPathORfilepath)
		}
		return IoUtil.read(stream, CharsetUtil.UTF_8)
	}
}