Examples of org.apache.xerces.util.URI

org.apache.xerces.util.URI
etf.org/rfc/rfc2396.txt?number=2396>. Every URI consists of a scheme, followed by a colon (':'), followed by a scheme-specific part. For URIs that follow the "generic URI" syntax, the scheme- specific part begins with two slashes ("//") and may be followed by an authority segment (comprised of user information, host, and port), path segment, query segment and fragment. Note that RFC 2396 no longer specifies the use of the parameters segment and excludes the "user:password" syntax as part of the authority segment. If "user:password" appears in a URI, the entire user/password string is stored as userinfo.
For URIs that do not follow the "generic URI" syntax (e.g. mailto), the entire scheme-specific part is treated as the "path" portion of the URI.
Note that, unlike the java.net.URL class, this class does not provide any built-in network access functionality nor does it provide any scheme-specific functionality (for example, it does not know a default port for a specific scheme). Rather, it only knows the grammar and basic set of operations that can be applied to a URI. @version $Id: URI.java,v 1.1.2.1 2000/10/05 01:59:28 andyc Exp $

        int start = scopeOfBaseURI(depth) + 1;
        if (start == fBaseURIScope.size()) {
            // If that is the last system id, then we don't need a relative URI
            return "";
        }
        URI uri = new URI("file", (String)fLiteralSystemID.elementAt(start));
        for (int i = start + 1; i < fBaseURIScope.size(); i++) {
            uri = new URI(uri, (String)fLiteralSystemID.elementAt(i));
        }
        return uri.getPath();
    }

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     * @since DOM Level 3
     */
    public String getBaseURI() {
        if (fDocumentURI != null && fDocumentURI.length() != 0 ) {// attribute value is always empty string
            try {
                return new URI(fDocumentURI).toString();
            }
            catch (org.apache.xerces.util.URI.MalformedURIException e){
                // REVISIT: what should happen in this case?
                return null;
            }

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        if (needsSyncData()) {
            synchronizeData();
        }
        if (baseURI != null && baseURI.length() != 0 ) {// attribute value is always empty string
            try {
                return new URI(baseURI).toString();
            }
            catch (org.apache.xerces.util.URI.MalformedURIException e){
                // REVISIT: what should happen in this case?
                return null;
            }

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                    return entDef.getBaseURI();
                }
            }
        } else if (baseURI != null && baseURI.length() != 0 ) {// attribute value is always empty string
            try {
                return new URI(baseURI).toString();
            }
            catch (org.apache.xerces.util.URI.MalformedURIException e){
                // REVISIT: what should happen in this case?
                return null;
            }

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            Attr attrNode = (Attr)attributes.getNamedItem("xml:base");
            if (attrNode != null) {
                String uri =  attrNode.getNodeValue();
                if (uri.length() != 0 ) {// attribute value is always empty string
                    try {
                       uri = new URI(uri).toString();
                    }
                    catch (org.apache.xerces.util.URI.MalformedURIException e) {
                        // This may be a relative URI.
                        
                        // Make any parentURI into a URI object to use with the URI(URI, String) constructor
                        String parentBaseURI = (this.ownerNode != null) ? this.ownerNode.getBaseURI() : null;
                        if (parentBaseURI != null){
                            try{
                                uri = new URI(new URI(parentBaseURI), uri).toString();
                            }
                            catch (org.apache.xerces.util.URI.MalformedURIException ex){
                                // This should never happen: parent should have checked the URI and returned null if invalid.
                                return null;
                            }
                            return uri;
                        }
                        return null;
                    }
                    return uri;
                }
            }
        }


        // 2.the base URI of the element's parent element within the 
        // document or external entity, if one exists 
    // 3. the base URI of the document entity or external entity 
    // containing the element
    
    // ownerNode serves as a parent or as document
    String baseURI = (this.ownerNode != null) ? this.ownerNode.getBaseURI() : null ;
        //base URI of parent element is not null
        if(baseURI != null){
            try {
                //return valid absolute base URI
               return new URI(baseURI).toString();
            }
            catch (org.apache.xerces.util.URI.MalformedURIException e){
                return null;
            }
        }

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        if (systemId == null || systemId.length() == 0) {
            return systemId;
        }
        // if id already expanded, return
        try {
            URI uri = new URI(systemId);
            if (uri != null) {
                return systemId;
            }
        }
        catch (URI.MalformedURIException e) {
            // continue on...
        }
        // normalize id
        String id = fixURI(systemId);


        // normalize base
        URI base = null;
        URI uri = null;
        try {
            if (baseSystemId == null || baseSystemId.length() == 0 ||
                baseSystemId.equals(systemId)) {
                String dir;
                try {
                    dir = fixURI(System.getProperty("user.dir"));
                }
                catch (SecurityException se) {
                    dir = "";
                }
                if (!dir.endsWith("/")) {
                    dir = dir + "/";
                }
                base = new URI("file", "", dir, null, null);
            }
            else {
                try {
                    base = new URI(fixURI(baseSystemId));
                }
                catch (URI.MalformedURIException e) {
                    String dir;
                    try {
                        dir = fixURI(System.getProperty("user.dir"));
                    }
                    catch (SecurityException se) {
                        dir = "";
                    }
                    if (baseSystemId.indexOf(':') != -1) {
                        // for xml schemas we might have baseURI with
                        // a specified drive
                        base = new URI("file", "", fixURI(baseSystemId), null, null);
                    }
                    else {
                        if (!dir.endsWith("/")) {
                            dir = dir + "/";
                        }
                        dir = dir + fixURI(baseSystemId);
                        base = new URI("file", "", dir, null, null);
                    }
                }
             }
             // expand id
             uri = new URI(base, id);
        }
        catch (URI.MalformedURIException e) {
            // let it go through
        }


        if (uri == null) {
            return systemId;
        }
        return uri.toString();


    } // expandSystemId(String,String):String

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        if (systemId == null || systemId.length() == 0) {
            return systemId;
        }
        // if id already expanded, return
        try {
            URI uri = new URI(systemId);
            if (uri != null) {
                return systemId;
            }
        }
        catch (URI.MalformedURIException e) {
            // continue on...
        }
        // normalize id
        String id = fixURI(systemId);


        // normalize base
        URI base = null;
        URI uri = null;
        try {
            if (baseSystemId == null || baseSystemId.length() == 0 ||
                baseSystemId.equals(systemId)) {
                String dir;
                try {
                    dir = fixURI(System.getProperty("user.dir"));
                }
                catch (SecurityException se) {
                    dir = "";
                }
                if (!dir.endsWith("/")) {
                    dir = dir + "/";
                }
                base = new URI("file", "", dir, null, null);
            }
            else {
                try {
                    base = new URI(fixURI(baseSystemId));
                }
                catch (URI.MalformedURIException e) {
                    String dir;
                    try {
                        dir = fixURI(System.getProperty("user.dir"));
                    }
                    catch (SecurityException se) {
                        dir = "";
                    }
                    if (baseSystemId.indexOf(':') != -1) {
                        // for xml schemas we might have baseURI with
                        // a specified drive
                        base = new URI("file", "", fixURI(baseSystemId), null, null);
                    }
                    else {
                        if (!dir.endsWith("/")) {
                            dir = dir + "/";
                        }
                        dir = dir + fixURI(baseSystemId);
                        base = new URI("file", "", dir, null, null);
                    }
                }
             }
             // expand id
             uri = new URI(base, id);
        }
        catch (URI.MalformedURIException e) {
            // let it go through
        }


        if (uri == null) {
            return systemId;
        }
        return uri.toString();


    } // expandSystemId(String,String):String

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        if (systemId == null || systemId.length() == 0) {
            return systemId;
        }
        // if id already expanded, return
        try {
            URI uri = new URI(systemId);
            if (uri != null) {
                return systemId;
            }
        }
        catch (URI.MalformedURIException e) {
            // continue on...
        }
        // normalize id
        String id = fixURI(systemId);


        // normalize base
        URI base = null;
        URI uri = null;
        try {
            if (baseSystemId == null || baseSystemId.length() == 0 ||
                baseSystemId.equals(systemId)) {
                String dir;
                try {
                    dir = fixURI(System.getProperty("user.dir"));
                }
                catch (SecurityException se) {
                    dir = "";
                }
                if (!dir.endsWith("/")) {
                    dir = dir + "/";
                }
                base = new URI("file", "", dir, null, null);
            }
            else {
                try {
                    base = new URI(fixURI(baseSystemId));
                }
                catch (URI.MalformedURIException e) {
                    String dir;
                    try {
                        dir = fixURI(System.getProperty("user.dir"));
                    }
                    catch (SecurityException se) {
                        dir = "";
                    }
                    if (baseSystemId.indexOf(':') != -1) {
                        // for xml schemas we might have baseURI with
                        // a specified drive
                        base = new URI("file", "", fixURI(baseSystemId), null, null);
                    }
                    else {
                        if (!dir.endsWith("/")) {
                            dir = dir + "/";
                        }
                        dir = dir + fixURI(baseSystemId);
                        base = new URI("file", "", dir, null, null);
                    }
                }
             }
             // expand id
             uri = new URI(base, id);
        }
        catch (Exception e) {
            // let it go through


        }


        if (uri == null) {
            return systemId;
        }
        return uri.toString();


    } // expandSystemId(String,String):String

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        try {
            if( content.length() != 0 ) {
                // Support for relative URLs
                // According to Java 1.1: URLs may also be specified with a
                // String and the URL object that it is related to.
                new URI(BASE_URI, content );
            }
        } catch (URI.MalformedURIException ex) {
            throw new InvalidDatatypeValueException("cvc-datatype-valid.1.2.1", new Object[]{content, "anyURI"});
        }

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        if (systemId == null || systemId.length() == 0) {
            return systemId;
        }
        // if id already expanded, return
        try {
            URI uri = new URI(systemId);
            if (uri != null) {
                return systemId;
            }
        }
        catch (URI.MalformedURIException e) {
            // continue on...
        }
        // normalize id
        String id = fixURI(systemId);


        // normalize base
        URI base = null;
        URI uri = null;
        try {
            if (baseSystemId == null || baseSystemId.length() == 0 ||
                baseSystemId.equals(systemId)) {
                String dir;
                try {
                    dir = fixURI(System.getProperty("user.dir"));
                }
                catch (SecurityException se) {
                    dir = "";
                }
                if (!dir.endsWith("/")) {
                    dir = dir + "/";
                }
                base = new URI("file", "", dir, null, null);
            }
            else {
                try {
                    base = new URI(fixURI(baseSystemId));
                }
                catch (URI.MalformedURIException e) {
                    String dir;
                    try {
                        dir = fixURI(System.getProperty("user.dir"));
                    }
                    catch (SecurityException se) {
                        dir = "";
                    }
                    if (baseSystemId.indexOf(':') != -1) {
                        // for xml schemas we might have baseURI with
                        // a specified drive
                        base = new URI("file", "", fixURI(baseSystemId), null, null);
                    }
                    else {
                        if (!dir.endsWith("/")) {
                            dir = dir + "/";
                        }
                        dir = dir + fixURI(baseSystemId);
                        base = new URI("file", "", dir, null, null);
                    }
                }
             }
             // expand id
             uri = new URI(base, id);
        }
        catch (URI.MalformedURIException e) {
            // let it go through
        }


        if (uri == null) {
            return systemId;
        }
        return uri.toString();


    } // expandSystemId(String,String):String

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