Example usage for javax.el ValueExpression getValue

List of usage examples for javax.el ValueExpression getValue

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  6. getValue

Introduction

In this page you can find the example usage for javax.el ValueExpression getValue.

Prototype

public abstract Object getValue(ELContext context);

Source Link

Usage

From source file:org.nuxeo.ecm.platform.ui.web.component.document.RestDocumentLink.java

public Boolean getAddTabInfo() {
    if (addTabInfo != null) {
        return addTabInfo;
    }/*from  ww  w  .j a  va  2  s  .  c om*/
    ValueExpression ve = getValueExpression("addTabInfo");
    if (ve != null) {
        try {
            return Boolean.valueOf(!Boolean.FALSE.equals(ve.getValue(getFacesContext().getELContext())));
        } catch (ELException e) {
            throw new FacesException(e);
        }
    } else {
        // default value
        return Boolean.TRUE;
    }
}

From source file:org.nuxeo.ecm.platform.ui.web.component.document.RestDocumentLink.java

public Boolean getResolveOnly() {
    if (resolveOnly != null) {
        return resolveOnly;
    }// ww w. j a  v  a  2 s  . c o m
    ValueExpression ve = getValueExpression("resolveOnly");
    if (ve != null) {
        try {
            return Boolean.valueOf(!Boolean.FALSE.equals(ve.getValue(getFacesContext().getELContext())));
        } catch (ELException e) {
            throw new FacesException(e);
        }
    } else {
        // default value
        return Boolean.FALSE;
    }
}

From source file:org.nuxeo.ecm.platform.ui.web.component.document.RestDocumentLink.java

/**
 * Returns true if URL must link to a page in a new conversation.
 * <p>/*w  ww.  j  a v  a2  s .  c o  m*/
 * Defaults to false.
 */
public Boolean getNewConversation() {
    if (newConversation != null) {
        return newConversation;
    }
    ValueExpression ve = getValueExpression("newConversation");
    if (ve != null) {
        try {
            return Boolean.valueOf(!Boolean.FALSE.equals(ve.getValue(getFacesContext().getELContext())));
        } catch (ELException e) {
            throw new FacesException(e);
        }
    } else {
        // default value
        return Boolean.FALSE;
    }
}

From source file:org.nuxeo.ecm.platform.ui.web.component.file.UIInputFile.java

public String getFilename() {
    if (filename != null) {
        return filename;
    }//from  w  w  w .  j  av  a  2  s .  c  om
    ValueExpression ve = getValueExpression("filename");
    if (ve != null) {
        try {
            return (String) ve.getValue(getFacesContext().getELContext());
        } catch (ELException e) {
            throw new FacesException(e);
        }
    } else {
        return null;
    }
}

From source file:org.nuxeo.ecm.platform.ui.web.tag.handler.SetTagHandler.java

public FaceletHandler getAliasVariableMapper(FaceletContext ctx, AliasVariableMapper target) {
    String varStr = var.getValue(ctx);
    // avoid overriding variable already in the mapper
    if (target.hasVariables(varStr)) {
        return nextHandler;
    }//from   www.  jav a2s  . com

    // handle variable expression
    boolean cacheValue = false;
    if (cache != null) {
        cacheValue = cache.getBoolean(ctx);
    }
    boolean resolveTwiceBool = false;
    if (resolveTwice != null) {
        resolveTwiceBool = resolveTwice.getBoolean(ctx);
    }

    ValueExpression ve;
    if (cacheValue) {
        // resolve value and put it as is in variable mapper
        Object res = value.getObject(ctx);
        if (resolveTwiceBool && res instanceof String && ComponentTagUtils.isValueReference((String) res)) {
            ve = ctx.getExpressionFactory().createValueExpression(ctx, (String) res, Object.class);
            res = ve.getValue(ctx);
        }
        ve = ctx.getExpressionFactory().createValueExpression(res, Object.class);
    } else {
        ve = value.getValueExpression(ctx, Object.class);
        if (resolveTwiceBool) {
            boolean localBool = false;
            if (local != null) {
                localBool = local.getBoolean(ctx);
            }
            if (localBool) {
                ve = new MetaValueExpression(ve);
            } else {
                ve = new MetaValueExpression(ve, ctx.getFunctionMapper(), ctx.getVariableMapper());
            }
        }
    }

    target.setVariable(varStr, ve);

    if (blockPatterns != null) {
        String blockedValue = blockPatterns.getValue(ctx);
        if (!StringUtils.isEmpty(blockedValue)) {
            // split on "," character
            target.setBlockedPatterns(resolveBlockPatterns(blockedValue));
        }
    }

    FaceletHandler nextHandler = this.nextHandler;
    if (nextHandler instanceof SetTagHandler) {
        // try merging with next handler
        SetTagHandler next = (SetTagHandler) nextHandler;
        if (next.isAcceptingMerge(ctx)) {
            // make sure referenced vars will be resolved in this context
            ctx.getVariableMapper().setVariable(varStr, ve);
            try {
                AliasVariableMapper.exposeAliasesToRequest(ctx.getFacesContext(), target);
                nextHandler = next.getAliasVariableMapper(ctx, target);
            } finally {
                AliasVariableMapper.removeAliasesExposedToRequest(ctx.getFacesContext(), target.getId());
            }
        }
    }

    return nextHandler;
}

From source file:org.nuxeo.ecm.platform.ui.web.component.file.UIInputFile.java

public Boolean getEditFilename() {
    if (editFilename != null) {
        return editFilename;
    }//  ww  w.ja v a2  s  .co  m
    ValueExpression ve = getValueExpression("editFilename");
    if (ve != null) {
        try {
            return !Boolean.FALSE.equals(ve.getValue(getFacesContext().getELContext()));
        } catch (ELException e) {
            throw new FacesException(e);
        }
    } else {
        // default value
        return false;
    }
}

From source file:org.nuxeo.ecm.platform.ui.web.rest.services.URLPolicyServiceImpl.java

public void appendParametersToRequest(FacesContext facesContext, String pattern) {
    // try to get doc view from custom mapping
    DocumentView docView = null;//w  ww.  j  a  v  a 2 s .co m
    ExpressionFactory ef = facesContext.getApplication().getExpressionFactory();
    ELContext context = facesContext.getELContext();
    HttpServletRequest httpRequest = (HttpServletRequest) facesContext.getExternalContext().getRequest();

    // get existing document view from given pattern, else create it
    URLPatternDescriptor patternDesc = null;
    if (pattern != null && !"".equals(pattern)) {
        patternDesc = getURLPatternDescriptor(pattern);
    } else {
        // iterate over pattern descriptors, and take the first one that
        // applies, or use the default one
        List<URLPatternDescriptor> descs = getURLPatternDescriptors();
        boolean applies = false;
        for (URLPatternDescriptor desc : descs) {
            String documentViewAppliesExpr = desc.getDocumentViewBindingApplies();
            if (!StringUtils.isBlank(documentViewAppliesExpr)) {
                // TODO: maybe put view id to the request to help writing
                // the EL expression
                ValueExpression ve = ef.createValueExpression(context, documentViewAppliesExpr, Object.class);
                try {
                    Object res = ve.getValue(context);
                    if (Boolean.TRUE.equals(res)) {
                        applies = true;
                    }
                } catch (ELException e) {
                    if (log.isDebugEnabled()) {
                        log.debug(String.format("Error executing expression '%s' for " + "url pattern '%s': %s",
                                documentViewAppliesExpr, desc.getName(), e.getMessage()));
                    }
                }
            }
            if (applies) {
                patternDesc = desc;
                break;
            }
        }
        if (patternDesc == null) {
            // default on the default pattern desc
            patternDesc = getDefaultPatternDescriptor();
        }
    }
    if (patternDesc != null) {
        // resolved doc view values thanks to bindings
        Object docViewValue = null;
        String documentViewBinding = patternDesc.getDocumentViewBinding();
        if (!StringUtils.isBlank(documentViewBinding)) {
            ValueExpression ve = ef.createValueExpression(context, documentViewBinding, Object.class);
            docViewValue = ve.getValue(context);
        }
        if (docViewValue == null) {
            documentViewBinding = patternDesc.getNewDocumentViewBinding();
            if (!StringUtils.isBlank(documentViewBinding)) {
                ValueExpression ve = ef.createValueExpression(context, documentViewBinding, Object.class);
                docViewValue = ve.getValue(context);
            }
        }
        if (docViewValue instanceof DocumentView) {
            docView = (DocumentView) docViewValue;
            // set pattern name in case it was just created
            docView.setPatternName(patternDesc.getName());
            ValueBindingDescriptor[] bindings = patternDesc.getValueBindings();
            if (bindings != null) {
                for (ValueBindingDescriptor binding : bindings) {
                    if (!binding.getCallGetter()) {
                        continue;
                    }
                    String paramName = binding.getName();
                    String expr = binding.getExpression();
                    try {
                        Object value;
                        if (ComponentTagUtils.isValueReference(expr)) {
                            ValueExpression ve = ef.createValueExpression(context, expr, Object.class);
                            value = ve.getValue(context);
                        } else {
                            value = expr;
                        }
                        if (docView != null) {
                            // do not set attributes on the request as
                            // document view will be put in the request
                            // anyway
                            docView.addParameter(paramName, (String) value);
                        } else {
                            httpRequest.setAttribute(paramName, value);
                        }
                    } catch (ELException e) {
                        log.error(
                                String.format("Could not get parameter %s from expression %s", paramName, expr),
                                e);
                    }
                }
            }
        }
    }

    // save document view to the request
    setDocumentViewInRequest(httpRequest, docView);
}

From source file:org.nuxeo.ecm.platform.ui.web.directory.ChainSelect.java

public String getDefaultRootKey() {
    ValueExpression ve = getValueExpression("defaultRootKey");
    if (ve != null) {
        return (String) ve.getValue(FacesContext.getCurrentInstance().getELContext());
    } else {/*  ww w.  ja va 2 s .  com*/
        return defaultRootKey;
    }
}

From source file:org.nuxeo.ecm.platform.ui.web.directory.ChainSelect.java

public Object getProperty(String name) {
    ValueExpression ve = getValueExpression(name);
    if (ve != null) {
        try {/*from  w  w w .j av  a2s  . c o m*/
            return ve.getValue(getFacesContext().getELContext());
        } catch (ELException e) {
            throw new FacesException(e);
        }
    } else {
        Map<String, Object> attrMap = getAttributes();
        return attrMap.get(name);
    }
}

From source file:org.nuxeo.ecm.platform.ui.web.directory.ChainSelect.java

public String getOnchange() {
    if (onchange != null) {
        return onchange;
    }// ww  w. j  av a  2  s  .c o  m
    ValueExpression ve = getValueExpression("onchange");
    if (ve != null) {
        try {
            return (String) ve.getValue(getFacesContext().getELContext());
        } catch (ELException e) {
            throw new FacesException(e);
        }
    }
    return null;
}