FileDocCategorySizeDatePackage
SetDocBaseRule.javaAPI DocGlassfish v2 API6408Fri May 04 22:32:30 BST 2007org.apache.catalina.startup

SetDocBaseRule

public class SetDocBaseRule extends com.sun.org.apache.commons.digester.Rule

Rule that modifies the docBase of the host, setting it appropriately, before adding the Context to the parent Host.

author
Remy Maucherat

Fields Summary
Constructors Summary
public SetDocBaseRule(com.sun.org.apache.commons.digester.Digester digester)
Construct a new instance of this Rule.

param
digester Digester we are associated with


        super(digester);

    
Methods Summary
public voidbegin(org.xml.sax.Attributes attributes)
Handle the beginning of an XML element.

param
attributes The attributes of this element
exception
Exception if a processing error occurs


        Context child = (Context) digester.peek(0);
        Deployer parent = (Deployer) digester.peek(1);
        Host host = null;
        if (!(parent instanceof StandardHost)) {
            Method method = parent.getClass().getMethod("getHost",(Class[])null);
            host = (Host) method.invoke(parent,(Object[])null);
        } else {
            host = (Host) parent;
        }
        String appBase = host.getAppBase();

        boolean unpackWARs = true;
        if (host instanceof StandardHost) {
            unpackWARs = ((StandardHost) host).isUnpackWARs();
        }
        if (!unpackWARs 
            && !("true".equals(attributes.getValue("unpackWAR")))) {
            return;
        }
        if ("false".equals(attributes.getValue("unpackWAR"))) {
            return;
        }

        File canonicalAppBase = new File(appBase);
        if (canonicalAppBase.isAbsolute()) {
            canonicalAppBase = canonicalAppBase.getCanonicalFile();
        } else {
            canonicalAppBase = 
                new File(System.getProperty("catalina.base"), appBase)
                .getCanonicalFile();
        }

        String docBase = child.getDocBase();
        if (docBase == null) {
            // Trying to guess the docBase according to the path
            String path = child.getPath();
            if (path == null) {
                return;
            }
            if (path.equals("")) {
                docBase = "ROOT";
            } else {
                if (path.startsWith("/")) {
                    docBase = path.substring(1);
                } else {
                    docBase = path;
                }
            }
        }

        File file = new File(docBase);
        if (!file.isAbsolute()) {
            docBase = (new File(canonicalAppBase, docBase)).getPath();
        } else {
            docBase = file.getCanonicalPath();
        }

        if (docBase.toLowerCase().endsWith(".war")) {
            URL war = new URL("jar:" + (new File(docBase)).toURL() + "!/");
            String contextPath = child.getPath();
            if (contextPath.equals("")) {
                contextPath = "ROOT";
            }
            docBase = ExpandWar.expand(host, war, contextPath);
            file = new File(docBase);
            docBase = file.getCanonicalPath();
        } else {
            File docDir = new File(docBase);
            if (!docDir.exists()) {
                File warFile = new File(docBase + ".war");
                if (warFile.exists()) {
                    URL war = new URL("jar:" + warFile.toURL() + "!/");
                    docBase = ExpandWar.expand(host, war, child.getPath());
                    file = new File(docBase);
                    docBase = file.getCanonicalPath();
                }
            }
        }

        if (docBase.startsWith(canonicalAppBase.getPath())) {
            docBase = docBase.substring
                (canonicalAppBase.getPath().length() + 1);
        }
        docBase = docBase.replace(File.separatorChar, '/");

        child.setDocBase(docBase);