Example usage for org.springframework.util PropertyPlaceholderHelper PropertyPlaceholderHelper

Introduction

In this page you can find the example usage for org.springframework.util PropertyPlaceholderHelper PropertyPlaceholderHelper.

Prototype

public PropertyPlaceholderHelper(String placeholderPrefix, String placeholderSuffix) 

Source Link

Document

Creates a new PropertyPlaceholderHelper that uses the supplied prefix and suffix.

Usage

From source file:com.brienwheeler.lib.spring.beans.PropertyPlaceholderConfigurer.java

/**
  * Resolves any placeholders in the supplied properties map, preferring the use of
  * previously set System properties over the current property map contents for
  * placeholder substitution./*from www  . ja  va2  s  .  c o m*/
  * <p>
  * Also sets any resolved properties as System properties, if no System
  * property by that name already exists.
  * 
  * @param properties the merged context properties
  */
public static void processProperties(final Properties properties, String placeholderPrefix,
        String placeholderSuffix) {
    PropertyPlaceholderHelper helper = new PropertyPlaceholderHelper(placeholderPrefix, placeholderSuffix);
    PropertyPlaceholderHelper.PlaceholderResolver resolver = new PropertyPlaceholderHelper.PlaceholderResolver() {
        @Override
        public String resolvePlaceholder(String placeholderName) {
            // SYSTEM_PROPERTIES_MODE_OVERRIDE means we look at previously set
            // system properties in preference to properties defined in our file
            String value = System.getProperty(placeholderName);
            if (value == null)
                value = properties.getProperty(placeholderName);
            return value;
        }
    };

    for (Object key : properties.keySet()) {
        String propertyName = (String) key;
        // get the value from the map
        String propertyValue = properties.getProperty(propertyName);
        // resolve it against system properties then other properties in the
        // passed-in Properties
        String resolvedValue = helper.replacePlaceholders(propertyValue, resolver);

        // set back into passed-in Properties if changed
        if (!ObjectUtils.nullSafeEquals(propertyValue, resolvedValue)) {
            properties.setProperty(propertyName, resolvedValue);
        }

        // set into System properties if not already set
        setProperty(propertyName, resolvedValue);
    }
}

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From source file:com.alvexcore.repo.SimpleKeySelectorResult.java

private File findLicenseFile() {
    PropertyPlaceholderHelper helper = new PropertyPlaceholderHelper("${", "}");
    String sharedLoader = System.getProperty("shared.loader");
    if (sharedLoader == null)
        return null;
    String sharedLoadPaths = helper.replacePlaceholders(sharedLoader, System.getProperties());
    for (String path : sharedLoadPaths.split(",")) { // FIXME is this separator the same for all envs?
        File file = new File(path, "alfresco" + File.separator + "extension" + File.separator + "license");
        if (file.isDirectory())
            for (File elem : file.listFiles())
                if (elem.getAbsolutePath().endsWith("alvex.lic"))
                    return elem;
    }/* ww w .j  av a  2  s. c  o m*/
    return null;
}

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From source file:org.artifactory.webapp.wicket.page.home.settings.ivy.gradle.GradleBuildScriptPanel.java

private String replaceValuesAndGetTemplateValue(String templateResourcePath, Properties templateProperties) {
    InputStream gradleInitTemplateStream = null;
    try {//from ww  w.j  a  v a2  s.  c om
        gradleInitTemplateStream = getClass().getResourceAsStream(templateResourcePath);
        String gradleTemplate = IOUtils.toString(gradleInitTemplateStream);
        PropertyPlaceholderHelper propertyPlaceholderHelper = new PropertyPlaceholderHelper("${", "}");
        return propertyPlaceholderHelper.replacePlaceholders(gradleTemplate, templateProperties);
    } catch (IOException e) {
        String errorMessage = "An error occurred while preparing the Gradle Init Script template: ";
        error(errorMessage + e.getMessage());
        log.error(errorMessage, e);
    } finally {
        IOUtils.closeQuietly(gradleInitTemplateStream);
    }
    return "";
}

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From source file:org.jahia.osgi.FrameworkService.java

private void setupSystemProperties() {

    @SuppressWarnings("unchecked")
    Map<String, String> unreplaced = (Map<String, String>) SpringContextSingleton.getBean("osgiProperties");
    Map<String, String> newSystemProperties = new TreeMap<>();

    PropertyPlaceholderHelper placeholderHelper = new PropertyPlaceholderHelper("${", "}");
    Properties systemProps = System.getProperties();

    for (Map.Entry<String, String> entry : unreplaced.entrySet()) {
        newSystemProperties.put(entry.getKey(),
                placeholderHelper.replacePlaceholders(entry.getValue(), systemProps));
    }//from  w w  w .  jav a  2  s  . c o m

    for (Map.Entry<String, String> property : newSystemProperties.entrySet()) {
        String propertyName = property.getKey();
        String oldPropertyValue = System.getProperty(propertyName);
        if (oldPropertyValue != null) {
            logger.warn("Overriding system property " + propertyName + "=" + oldPropertyValue
                    + " with new value=" + property.getValue());
        }
        JahiaContextLoaderListener.setSystemProperty(propertyName, property.getValue());
    }

    File file = new File(System.getProperty("karaf.etc"), "config.properties");
    org.apache.felix.utils.properties.Properties karafConfigProperties = null;
    try {
        karafConfigProperties = PropertiesLoader.loadConfigProperties(file);
    } catch (Exception e) {
        logger.error("Unable to load properties from file " + file + ". Cause: " + e.getMessage(), e);
        karafConfigProperties = new org.apache.felix.utils.properties.Properties();
    }

    StringBuilder extraSystemPackages = new StringBuilder(
            karafConfigProperties.getProperty("org.osgi.framework.system.packages.extra"));
    boolean modifiedExtraSystemPackages = false;
    for (Map.Entry<String, String> entry : newSystemProperties.entrySet()) {
        if (entry.getKey().startsWith("org.osgi.framework.system.packages.extra.")) {
            extraSystemPackages.append(',').append(entry.getValue());
            modifiedExtraSystemPackages = true;
        }
    }
    if (modifiedExtraSystemPackages) {
        JahiaContextLoaderListener.setSystemProperty("org.osgi.framework.system.packages.extra",
                extraSystemPackages.toString());
    }

}

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From source file:org.slc.sli.api.init.ApplicationInitializer.java

/**
 * Load the JSON template and perform string substitution on the ${...} tokens
 * @param is/*from   w ww  .  j  ava  2  s  .  com*/
 * @return
 * @throws IOException
 */
@SuppressWarnings("unchecked")
Map<String, Object> loadJsonFile(InputStream is, Properties sliProps) throws IOException {
    StringWriter writer = new StringWriter();
    IOUtils.copy(is, writer);
    String template = writer.toString();
    PropertyPlaceholderHelper helper = new PropertyPlaceholderHelper("${", "}");
    template = helper.replacePlaceholders(template, sliProps);
    return (Map<String, Object>) JSON.parse(template);
}

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