Examples with ParseTools.findClass org.mvel2.util.ParseTools.findClass used on opensource projects

Example 1 with ParseTools.findClass

use of org.mvel2.util.ParseTools.findClass in project mvel by mikebrock.

the class ReflectiveAccessorOptimizer method compileConstructor.

@SuppressWarnings({ "WeakerAccess" })
public AccessorNode compileConstructor(char[] expression, Object ctx, VariableResolverFactory vars) throws InstantiationException, IllegalAccessException, InvocationTargetException, ClassNotFoundException, NoSuchMethodException {
    String[] cnsRes = captureContructorAndResidual(expression, start, length);
    List<char[]> constructorParms = parseMethodOrConstructor(cnsRes[0].toCharArray());
    if (constructorParms != null) {
        String s = new String(subset(expression, 0, ArrayTools.findFirst('(', start, length, expression)));
        Class cls = ParseTools.findClass(vars, s, pCtx);
        ExecutableStatement[] cStmts = new ExecutableStatement[constructorParms.size()];
        for (int i = 0; i < constructorParms.size(); i++) {
            cStmts[i] = (ExecutableStatement) subCompileExpression(constructorParms.get(i), pCtx);
        }
        Object[] parms = new Object[constructorParms.size()];
        for (int i = 0; i < constructorParms.size(); i++) {
            parms[i] = cStmts[i].getValue(ctx, vars);
        }
        Constructor cns = getBestConstructorCandidate(parms, cls, pCtx.isStrongTyping());
        if (cns == null) {
            StringBuilder error = new StringBuilder();
            for (int i = 0; i < parms.length; i++) {
                error.append(parms[i].getClass().getName());
                if (i + 1 < parms.length)
                    error.append(", ");
            }
            throw new CompileException("unable to find constructor: " + cls.getName() + "(" + error.toString() + ")", this.expr, this.start);
        }
        for (int i = 0; i < parms.length; i++) {
            // noinspection unchecked
            parms[i] = convert(parms[i], cns.getParameterTypes()[i]);
        }
        AccessorNode ca = new ConstructorAccessor(cns, cStmts);
        if (cnsRes.length > 1) {
            ReflectiveAccessorOptimizer compiledOptimizer = new ReflectiveAccessorOptimizer(pCtx, cnsRes[1].toCharArray(), 0, cnsRes[1].length(), cns.newInstance(parms), ctx, vars);
            compiledOptimizer.ingressType = cns.getDeclaringClass();
            compiledOptimizer.setRootNode(ca);
            compiledOptimizer.compileGetChain();
            ca = compiledOptimizer.getRootNode();
            this.val = compiledOptimizer.getResultOptPass();
        }
        return ca;
    } else {
        Constructor<?> cns = Class.forName(new String(expression), true, Thread.currentThread().getContextClassLoader()).getConstructor(EMPTYCLS);
        AccessorNode ca = new ConstructorAccessor(cns, null);
        if (cnsRes.length > 1) {
            // noinspection NullArgumentToVariableArgMethod
            ReflectiveAccessorOptimizer compiledOptimizer = new ReflectiveAccessorOptimizer(getCurrentThreadParserContext(), cnsRes[1].toCharArray(), 0, cnsRes[1].length(), cns.newInstance(null), ctx, vars);
            compiledOptimizer.setRootNode(ca);
            compiledOptimizer.compileGetChain();
            ca = compiledOptimizer.getRootNode();
            this.val = compiledOptimizer.getResultOptPass();
        }
        return ca;
    }
}

Example 2 with ParseTools.findClass

use of org.mvel2.util.ParseTools.findClass in project mvel by mikebrock.

the class ProtoParser method calculateDecl.

private void calculateDecl() {
    if (tk2 != null) {
        try {
            if (pCtx.hasProtoImport(tk1)) {
                type = Proto.class;
            } else {
                type = ParseTools.findClass(null, tk1, pCtx);
            }
            name = tk2;
        } catch (ClassNotFoundException e) {
            if (interpreted) {
                type = DeferredTypeResolve.class;
                deferredName = tk1;
                name = tk2;
            } else {
                throw new CompileException("could not resolve class: " + tk1, expr, cursor, e);
            }
        }
    } else {
        type = Object.class;
        name = tk1;
    }
    tk1 = null;
    tk2 = null;
}

Example 3 with ParseTools.findClass

use of org.mvel2.util.ParseTools.findClass in project mvel by mvel.

the class ForEachNode method handleCond.

private void handleCond(char[] condition, int start, int offset, int fields, ParserContext pCtx) {
    int cursor = start;
    int end = start + offset;
    while (cursor < end && condition[cursor] != ':') cursor++;
    if (cursor == end || condition[cursor] != ':')
        throw new CompileException("expected : in foreach", condition, cursor);
    int x;
    if ((x = (item = createStringTrimmed(condition, start, cursor - start)).indexOf(' ')) != -1) {
        String tk = item.substring(0, x);
        try {
            itemType = ParseTools.findClass(null, tk, pCtx);
            item = item.substring(item.lastIndexOf(' ') + 1, item.length());
        } catch (ClassNotFoundException e) {
            throw new CompileException("cannot resolve identifier: " + tk, condition, start);
        }
    }
    // this.start = ++cursor;
    this.start = cursor + 1;
    this.offset = offset - (cursor - start) - 1;
    if ((fields & COMPILE_IMMEDIATE) != 0) {
        Class egress = (this.condition = (ExecutableStatement) subCompileExpression(expr, this.start, this.offset, pCtx)).getKnownEgressType();
        if (itemType != null && egress.isArray()) {
            enforceTypeSafety(itemType, getBaseComponentType(this.condition.getKnownEgressType()));
        } else if (pCtx.isStrongTyping()) {
            determineIterType(egress);
        }
    }
}

Example 4 with ParseTools.findClass

use of org.mvel2.util.ParseTools.findClass in project mvel by mvel.

the class ProtoParser method calculateDecl.

private void calculateDecl() {
    if (tk2 != null) {
        try {
            if (pCtx.hasProtoImport(tk1)) {
                type = Proto.class;
            } else {
                type = ParseTools.findClass(null, tk1, pCtx);
            }
            name = tk2;
        } catch (ClassNotFoundException e) {
            if (interpreted) {
                type = DeferredTypeResolve.class;
                deferredName = tk1;
                name = tk2;
            } else {
                throw new CompileException("could not resolve class: " + tk1, expr, cursor, e);
            }
        }
    } else {
        type = Object.class;
        name = tk1;
    }
    tk1 = null;
    tk2 = null;
}

Example 5 with ParseTools.findClass

use of org.mvel2.util.ParseTools.findClass in project mvel by mvel.

the class ReflectiveAccessorOptimizer method compileConstructor.

@SuppressWarnings({ "WeakerAccess" })
private AccessorNode compileConstructor(char[] expression, Object ctx, VariableResolverFactory vars) throws InstantiationException, IllegalAccessException, InvocationTargetException, ClassNotFoundException, NoSuchMethodException {
    String[] cnsRes = captureContructorAndResidual(expression, start, length);
    List<char[]> constructorParms = parseMethodOrConstructor(cnsRes[0].toCharArray());
    if (constructorParms != null) {
        String s = new String(subset(expression, 0, ArrayTools.findFirst('(', start, length, expression)));
        Class cls = ParseTools.findClass(vars, s, pCtx);
        ExecutableStatement[] cStmts = new ExecutableStatement[constructorParms.size()];
        for (int i = 0; i < constructorParms.size(); i++) {
            cStmts[i] = (ExecutableStatement) subCompileExpression(constructorParms.get(i), pCtx);
        }
        Object[] parms = new Object[constructorParms.size()];
        for (int i = 0; i < constructorParms.size(); i++) {
            parms[i] = cStmts[i].getValue(ctx, vars);
        }
        Constructor cns = getBestConstructorCandidate(parms, cls, pCtx.isStrongTyping());
        if (cns == null) {
            StringBuilder error = new StringBuilder();
            for (int i = 0; i < parms.length; i++) {
                error.append(parms[i].getClass().getName());
                if (i + 1 < parms.length)
                    error.append(", ");
            }
            throw new CompileException("unable to find constructor: " + cls.getName() + "(" + error.toString() + ")", this.expr, this.start);
        }
        for (int i = 0; i < parms.length; i++) {
            // noinspection unchecked
            parms[i] = convert(parms[i], paramTypeVarArgsSafe(cns.getParameterTypes(), i, cns.isVarArgs()));
        }
        parms = normalizeArgsForVarArgs(cns.getParameterTypes(), parms, cns.isVarArgs());
        AccessorNode ca = new ConstructorAccessor(cns, cStmts);
        if (cnsRes.length > 1) {
            ReflectiveAccessorOptimizer compiledOptimizer = new ReflectiveAccessorOptimizer(pCtx, cnsRes[1].toCharArray(), 0, cnsRes[1].length(), cns.newInstance(parms), ctx, vars);
            compiledOptimizer.ingressType = cns.getDeclaringClass();
            compiledOptimizer.setRootNode(ca);
            compiledOptimizer.compileGetChain();
            ca = compiledOptimizer.getRootNode();
            this.val = compiledOptimizer.getResultOptPass();
        }
        return ca;
    } else {
        ClassLoader classLoader = pCtx != null ? pCtx.getClassLoader() : currentThread().getContextClassLoader();
        Constructor<?> cns = Class.forName(new String(expression), true, classLoader).getConstructor(EMPTYCLS);
        AccessorNode ca = new ConstructorAccessor(cns, null);
        if (cnsRes.length > 1) {
            // noinspection NullArgumentToVariableArgMethod
            ReflectiveAccessorOptimizer compiledOptimizer = new ReflectiveAccessorOptimizer(pCtx, cnsRes[1].toCharArray(), 0, cnsRes[1].length(), cns.newInstance(null), ctx, vars);
            compiledOptimizer.setRootNode(ca);
            compiledOptimizer.compileGetChain();
            ca = compiledOptimizer.getRootNode();
            this.val = compiledOptimizer.getResultOptPass();
        }
        return ca;
    }
}