parent
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|
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# Files |
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.classpath |
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.externalToolBuilders |
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.gradle |
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.project |
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.pydevproject |
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.settings |
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.sonar |
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*~ |
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*.ipr |
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*.iml |
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*.iws |
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*.swp |
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*.DS_Store |
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*.snap.debug |
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dependency-reduced-pom.xml |
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|
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# Directories |
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.idea/ |
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.run/ |
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.venv/ |
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_site/ |
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build/ |
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dist/ |
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docs/_build/ |
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gen-java/ |
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gen-javabean/ |
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gen-py/ |
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node_modules/ |
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target/ |
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@ -0,0 +1,86 @@ |
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<?xml version="1.0" encoding="UTF-8"?> |
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<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" |
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xmlns="http://maven.apache.org/POM/4.0.0" |
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> |
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<modelVersion>4.0.0</modelVersion> |
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|
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<name>lines_scanner</name> |
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<description>description</description> |
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<url>https://swingbe.de</url> |
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<groupId>de.swingbe</groupId> |
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<artifactId>lines_scanner</artifactId> |
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<version>0.0.1</version> |
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<packaging>jar</packaging> |
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|
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<licenses> |
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<license> |
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<name>GNU General Public License</name> |
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<url>https://www.gnu.org/licenses/gpl-3.0.txt</url> |
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</license> |
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</licenses> |
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|
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<scm> |
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<url>https://github.com/Software-Ingenieur-Begerad/sandbox-java</url> |
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</scm> |
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|
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<properties> |
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<!-- Other properties --> |
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> |
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</properties> |
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|
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<build> |
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<plugins> |
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<plugin> |
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<groupId>org.apache.maven.plugins</groupId> |
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<artifactId>maven-compiler-plugin</artifactId> |
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<version>3.8.1</version> |
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<configuration> |
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<!-- Target Java versions --> |
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<release>11</release> |
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</configuration> |
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</plugin> |
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<plugin> |
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<groupId>org.apache.maven.plugins</groupId> |
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<artifactId>maven-shade-plugin</artifactId> |
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<version>3.2.1</version> |
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<executions> |
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<execution> |
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<phase>package</phase> |
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<goals> |
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<goal>shade</goal> |
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</goals> |
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<configuration> |
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<filters> |
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<filter> |
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<!-- exclude signatures from merged JAR to avoid invalid signature messages --> |
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<artifact>*:*</artifact> |
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<excludes> |
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<exclude>META-INF/*.SF</exclude> |
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<exclude>META-INF/*.DSA</exclude> |
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<exclude>META-INF/*.RSA</exclude> |
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</excludes> |
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</filter> |
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</filters> |
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<!-- The shaded JAR will not be the main artifact for the project, it will be attached |
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for deployment in the way source and docs are. --> |
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<shadedArtifactAttached>true |
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</shadedArtifactAttached> |
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<shadedClassifierName>shaded</shadedClassifierName> |
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<transformers> |
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<transformer |
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implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/> |
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<transformer |
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implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer"> |
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<manifestEntries> |
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<Main-Class>de.swingbe.lines_scanner.Main |
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</Main-Class> |
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</manifestEntries> |
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</transformer> |
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</transformers> |
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</configuration> |
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</execution> |
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</executions> |
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</plugin> |
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</plugins> |
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</build> |
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</project> |
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@ -0,0 +1,66 @@ |
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package de.swingbe.lines_scanner; |
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import java.io.FileInputStream; |
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import java.io.IOException; |
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import java.nio.charset.StandardCharsets; |
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import java.nio.file.Path; |
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import java.nio.file.Paths; |
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import java.util.Scanner; |
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public class Main { |
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static void usage() { |
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System.err.println("usage: java Main file"); |
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System.exit(-1); |
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} |
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private static void lines_scanner(Path pathFile) { |
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FileInputStream inputStream = null; |
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Scanner sc = null; |
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try { |
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inputStream = new FileInputStream(pathFile.toString()); |
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sc = new Scanner(inputStream, StandardCharsets.UTF_8); |
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int count = 0; |
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while (sc.hasNextLine()) { |
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String line = sc.nextLine(); |
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// System.out.println(line);
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count++; |
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} |
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System.out.println("count: " + count); |
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// note that Scanner suppresses exceptions
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if (sc.ioException() != null) { |
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throw sc.ioException(); |
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} |
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} catch (IOException e) { |
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e.printStackTrace(); |
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} finally { |
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if (inputStream != null) { |
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try { |
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inputStream.close(); |
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} catch (IOException e) { |
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e.printStackTrace(); |
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} |
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} |
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if (sc != null) { |
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sc.close(); |
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} |
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} |
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} |
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public static void main(String[] args) { |
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System.out.println("Hello world!"); |
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// parse arguments
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if (args.length == 0 || args.length > 2) usage(); |
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int fileArg = 0; |
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// get lines count
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Path pathFile = Paths.get(args[fileArg]); |
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System.out.println("pathFile: " + pathFile); |
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lines_scanner(pathFile); |
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return; |
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} |
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} |
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Reference in new issue