Package com.sap.cds.maven.plugin.build

Class NpmMojo

java.lang.Object

org.apache.maven.plugin.AbstractMojo

com.sap.cds.maven.plugin.AbstractCdsMojo

com.sap.cds.maven.plugin.build.NpmMojo

All Implemented Interfaces:

CdsMojoLogger, org.apache.maven.plugin.ContextEnabled, org.apache.maven.plugin.Mojo

@Mojo(name="npm",
      defaultPhase=INITIALIZE,
      aggregator=true,
      requiresProject=false)
public class NpmMojo
extends AbstractCdsMojo

Execute an npm command on the CAP Java project. For example, it can be used to perform an npm install to install npm dependencies which are maintained in package.json.
Call mvn cds:npm -Darguments="..." or mvn com.sap.cds:cds-maven-plugin:npm -Darguments="..." to execute npm with given arguments.

Since:

1.7.0

Field Summary

Fields

Modifier and Type	Field	Description
protected static final String	PARAM_NODE_DIR
protected static final String	PARAM_NPM_EXECUTABLE
protected static final String	PARAM_NPX_EXECUTABLE
protected static final String	PROP_NODE_DIR
protected static final String	PROP_NODE_EXECUTABLE
protected static final String	PROP_NPM_EXECUTABLE
protected static final String	PROP_NPX_EXECUTABLE
protected org.eclipse.aether.RepositorySystemSession	repositorySystemSession	Defines settings and components that control the repository system.

Fields inherited from class com.sap.cds.maven.plugin.AbstractCdsMojo

buildContext, CDS_SERVICES_GROUPID, mojoExecution, PLUGIN_KEY, project, session, settings

Fields inherited from interface org.apache.maven.plugin.Mojo

ROLE

Constructor Summary

Constructors

Constructor	Description
NpmMojo()

Method Summary

Modifier and Type	Method	Description
void	execute()
protected void	execute(File workDir, File execFile, OutputStream outputStream, Map<String,String> additionalEnv, int[] exitValues, String... args)	Executes a program as child process.
protected String	executeNpm(File workDir, int[] exitValues, String... args)
protected void	executeNpm(File workDir, File outputFile, String... args)
protected String	executeNpm(File workDir, String... args)
protected File	findCdsWorkingDir()	Finds the cds working directory by going upwards and looking for a .cdsrc.json file.

Methods inherited from class com.sap.cds.maven.plugin.AbstractCdsMojo

ensureCliExecuted, findGoalExecution, findSrvProject, getReactorBaseDirectory, isCliExecuted, logDebug, logDebug, logError, logError, logError, logInfo, logWarn, logWarn, logWarn, scanDirectory, setProperty, strong

Methods inherited from class org.apache.maven.plugin.AbstractMojo

getLog, getPluginContext, setLog, setPluginContext

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

PROP_NODE_DIR

protected static final String PROP_NODE_DIR

See Also:

• Constant Field Values

PROP_NODE_EXECUTABLE

protected static final String PROP_NODE_EXECUTABLE

See Also:

• Constant Field Values

PROP_NPM_EXECUTABLE

protected static final String PROP_NPM_EXECUTABLE

See Also:

• Constant Field Values

PROP_NPX_EXECUTABLE

protected static final String PROP_NPX_EXECUTABLE

See Also:

• Constant Field Values

PARAM_NODE_DIR

protected static final String PARAM_NODE_DIR

See Also:

• Constant Field Values

PARAM_NPX_EXECUTABLE

protected static final String PARAM_NPX_EXECUTABLE

See Also:

• Constant Field Values

PARAM_NPM_EXECUTABLE

protected static final String PARAM_NPM_EXECUTABLE

See Also:

• Constant Field Values

repositorySystemSession

@Parameter(defaultValue="${repositorySystemSession}",
           required=true,
           readonly=true)
protected org.eclipse.aether.RepositorySystemSession repositorySystemSession

Defines settings and components that control the repository system.

Constructor Details

NpmMojo

public NpmMojo()

Method Details

execute

public void execute()
             throws org.apache.maven.plugin.MojoExecutionException

Throws:

org.apache.maven.plugin.MojoExecutionException

executeNpm

protected void executeNpm(File workDir,
 File outputFile,
 String... args)
                   throws IOException

Throws:

IOException

executeNpm

protected String executeNpm(File workDir,
 int[] exitValues,
 String... args)
                     throws IOException

Throws:

IOException

executeNpm

protected String executeNpm(File workDir,
 String... args)
                     throws IOException

Throws:

IOException

execute

protected void execute(File workDir,
 File execFile,
 OutputStream outputStream,
 Map<String,String> additionalEnv,
 int[] exitValues,
 String... args)
                throws IOException

Executes a program as child process.

Parameters:

workDir - the working directory of child process

execFile - the executable to use

outputStream - an optional standard output stream

additionalEnv - additional environment variables, can be null

exitValues - an optional list with exit values of the process to be considered successful, can be null

args - an optional command line arguments passed to the process

Throws:

IOException - if an I/O exception occurred

org.apache.commons.exec.ExecuteException - if process execution failed

findCdsWorkingDir

protected File findCdsWorkingDir()

Finds the cds working directory by going upwards and looking for a .cdsrc.json file. It stops at the top-most project directory.

Returns:

the cds working directory or null if not found.